Home / 1,574,653,412.40-2,361,980,118.60-990,493,465.20

Finding the Fourth Proportional to 1,574,653,412.40, 2,361,980,118.60 and 990,493,465.20

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Solution

The fourth proportional to 1,574,653,412.40, 2,361,980,118.60 and 990,493,465.20 is: 1,485,740,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,653,412.40 : 2,361,980,118.60 = 990,493,465.20 : x
  2. Step 2: Convert to fraction form
    1,574,653,412.40/2,361,980,118.60 = 990,493,465.20/x
  3. Step 3: Cross multiply
    1,574,653,412.40x = 2,361,980,118.60 × 990,493,465.20
  4. Step 4: Simplify right side
    1,574,653,412.40x = 2,339,525,872,405,620,736
  5. Step 5: Solve for x
    x = 2,339,525,872,405,620,736/1,574,653,412.40
  6. Step 6: Final answer
    x = 1,485,740,197.80

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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.