Home / 338,688,001.70-508,032,002.55-123,249,256.10

Finding the Fourth Proportional to 338,688,001.70, 508,032,002.55 and 123,249,256.10

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Solution

The fourth proportional to 338,688,001.70, 508,032,002.55 and 123,249,256.10 is: 184,873,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,688,001.70 : 508,032,002.55 = 123,249,256.10 : x
  2. Step 2: Convert to fraction form
    338,688,001.70/508,032,002.55 = 123,249,256.10/x
  3. Step 3: Cross multiply
    338,688,001.70x = 508,032,002.55 × 123,249,256.10
  4. Step 4: Simplify right side
    338,688,001.70x = 62,614,566,389,280,800
  5. Step 5: Solve for x
    x = 62,614,566,389,280,800/338,688,001.70
  6. Step 6: Final answer
    x = 184,873,884.15

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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.