Home / 1,574,653,415.40-2,361,980,123.10-990,493,468.20

Finding the Fourth Proportional to 1,574,653,415.40, 2,361,980,123.10 and 990,493,468.20

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Solution

The fourth proportional to 1,574,653,415.40, 2,361,980,123.10 and 990,493,468.20 is: 1,485,740,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,653,415.40 : 2,361,980,123.10 = 990,493,468.20 : x
  2. Step 2: Convert to fraction form
    1,574,653,415.40/2,361,980,123.10 = 990,493,468.20/x
  3. Step 3: Cross multiply
    1,574,653,415.40x = 2,361,980,123.10 × 990,493,468.20
  4. Step 4: Simplify right side
    1,574,653,415.40x = 2,339,525,883,948,782,080
  5. Step 5: Solve for x
    x = 2,339,525,883,948,782,080/1,574,653,415.40
  6. Step 6: Final answer
    x = 1,485,740,202.30

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Half scale
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Double scale
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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.