Home / 514,103,206.86-709,482,767.58-288,044,140.38

Finding the Fourth Proportional to 514,103,206.86, 709,482,767.58 and 288,044,140.38

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Solution

The fourth proportional to 514,103,206.86, 709,482,767.58 and 288,044,140.38 is: 397,512,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,103,206.86 : 709,482,767.58 = 288,044,140.38 : x
  2. Step 2: Convert to fraction form
    514,103,206.86/709,482,767.58 = 288,044,140.38/x
  3. Step 3: Cross multiply
    514,103,206.86x = 709,482,767.58 × 288,044,140.38
  4. Step 4: Simplify right side
    514,103,206.86x = 204,362,353,902,004,448
  5. Step 5: Solve for x
    x = 204,362,353,902,004,448/514,103,206.86
  6. Step 6: Final answer
    x = 397,512,311.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.