Home / 42,386,588,432.80-63,579,882,649.20-12,942,584,029.60

Finding the Fourth Proportional to 42,386,588,432.80, 63,579,882,649.20 and 12,942,584,029.60

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Solution

The fourth proportional to 42,386,588,432.80, 63,579,882,649.20 and 12,942,584,029.60 is: 19,413,876,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,432.80 : 63,579,882,649.20 = 12,942,584,029.60 : x
  2. Step 2: Convert to fraction form
    42,386,588,432.80/63,579,882,649.20 = 12,942,584,029.60/x
  3. Step 3: Cross multiply
    42,386,588,432.80x = 63,579,882,649.20 × 12,942,584,029.60
  4. Step 4: Simplify right side
    42,386,588,432.80x = 822,887,973,779,378,012,160
  5. Step 5: Solve for x
    x = 822,887,973,779,378,012,160/42,386,588,432.80
  6. Step 6: Final answer
    x = 19,413,876,044.40

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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.