Home / 385,266,606,115.32-577,974,331,237.48-146,482,689,182.76

Finding the Fourth Proportional to 385,266,606,115.32, 577,974,331,237.48 and 146,482,689,182.76

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Solution

The fourth proportional to 385,266,606,115.32, 577,974,331,237.48 and 146,482,689,182.76 is: 219,752,329,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,266,606,115.32 : 577,974,331,237.48 = 146,482,689,182.76 : x
  2. Step 2: Convert to fraction form
    385,266,606,115.32/577,974,331,237.48 = 146,482,689,182.76/x
  3. Step 3: Cross multiply
    385,266,606,115.32x = 577,974,331,237.48 × 146,482,689,182.76
  4. Step 4: Simplify right side
    385,266,606,115.32x = 84,663,234,318,273,351,778,304
  5. Step 5: Solve for x
    x = 84,663,234,318,273,351,778,304/385,266,606,115.32
  6. Step 6: Final answer
    x = 219,752,329,878.63

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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.