Home / 476,656,509.04-657,841,092.90-278,467,545.50

Finding the Fourth Proportional to 476,656,509.04, 657,841,092.90 and 278,467,545.50

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Solution

The fourth proportional to 476,656,509.04, 657,841,092.90 and 278,467,545.50 is: 384,317,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,656,509.04 : 657,841,092.90 = 278,467,545.50 : x
  2. Step 2: Convert to fraction form
    476,656,509.04/657,841,092.90 = 278,467,545.50/x
  3. Step 3: Cross multiply
    476,656,509.04x = 657,841,092.90 × 278,467,545.50
  4. Step 4: Simplify right side
    476,656,509.04x = 183,187,394,468,900,480
  5. Step 5: Solve for x
    x = 183,187,394,468,900,480/476,656,509.04
  6. Step 6: Final answer
    x = 384,317,408.86

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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.