Home / 1,574,653,431.40-2,361,980,147.10-990,493,484.20

Finding the Fourth Proportional to 1,574,653,431.40, 2,361,980,147.10 and 990,493,484.20

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Solution

The fourth proportional to 1,574,653,431.40, 2,361,980,147.10 and 990,493,484.20 is: 1,485,740,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,653,431.40 : 2,361,980,147.10 = 990,493,484.20 : x
  2. Step 2: Convert to fraction form
    1,574,653,431.40/2,361,980,147.10 = 990,493,484.20/x
  3. Step 3: Cross multiply
    1,574,653,431.40x = 2,361,980,147.10 × 990,493,484.20
  4. Step 4: Simplify right side
    1,574,653,431.40x = 2,339,525,945,512,307,712
  5. Step 5: Solve for x
    x = 2,339,525,945,512,307,712/1,574,653,431.40
  6. Step 6: Final answer
    x = 1,485,740,226.30

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Half scale
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Double scale
Find fourth proportional to 1,574,653,432.40, 2,361,980,148.60 and 990,493,485.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.