Home / 750,583,627.40-1,124,894,903.18-418,577,388.12

Finding the Fourth Proportional to 750,583,627.40, 1,124,894,903.18 and 418,577,388.12

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Solution

The fourth proportional to 750,583,627.40, 1,124,894,903.18 and 418,577,388.12 is: 627,319,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,583,627.40 : 1,124,894,903.18 = 418,577,388.12 : x
  2. Step 2: Convert to fraction form
    750,583,627.40/1,124,894,903.18 = 418,577,388.12/x
  3. Step 3: Cross multiply
    750,583,627.40x = 1,124,894,903.18 × 418,577,388.12
  4. Step 4: Simplify right side
    750,583,627.40x = 470,855,570,482,584,704
  5. Step 5: Solve for x
    x = 470,855,570,482,584,704/750,583,627.40
  6. Step 6: Final answer
    x = 627,319,266.36

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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.