Home / 42,386,588,279.80-63,579,882,419.70-12,942,583,876.60

Finding the Fourth Proportional to 42,386,588,279.80, 63,579,882,419.70 and 12,942,583,876.60

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Solution

The fourth proportional to 42,386,588,279.80, 63,579,882,419.70 and 12,942,583,876.60 is: 19,413,875,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,279.80 : 63,579,882,419.70 = 12,942,583,876.60 : x
  2. Step 2: Convert to fraction form
    42,386,588,279.80/63,579,882,419.70 = 12,942,583,876.60/x
  3. Step 3: Cross multiply
    42,386,588,279.80x = 63,579,882,419.70 × 12,942,583,876.60
  4. Step 4: Simplify right side
    42,386,588,279.80x = 822,887,961,081,333,022,720
  5. Step 5: Solve for x
    x = 822,887,961,081,333,022,720/42,386,588,279.80
  6. Step 6: Final answer
    x = 19,413,875,814.90

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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.