Home / 497,782,830.40-746,036,516.40-442,938,119.20

Finding the Fourth Proportional to 497,782,830.40, 746,036,516.40 and 442,938,119.20

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Solution

The fourth proportional to 497,782,830.40, 746,036,516.40 and 442,938,119.20 is: 663,839,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,782,830.40 : 746,036,516.40 = 442,938,119.20 : x
  2. Step 2: Convert to fraction form
    497,782,830.40/746,036,516.40 = 442,938,119.20/x
  3. Step 3: Cross multiply
    497,782,830.40x = 746,036,516.40 × 442,938,119.20
  4. Step 4: Simplify right side
    497,782,830.40x = 330,448,011,428,735,936
  5. Step 5: Solve for x
    x = 330,448,011,428,735,936/497,782,830.40
  6. Step 6: Final answer
    x = 663,839,713.32

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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.