Home / 42,386,588,278.80-63,579,882,418.20-12,942,583,875.60

Finding the Fourth Proportional to 42,386,588,278.80, 63,579,882,418.20 and 12,942,583,875.60

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Solution

The fourth proportional to 42,386,588,278.80, 63,579,882,418.20 and 12,942,583,875.60 is: 19,413,875,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386,588,278.80 : 63,579,882,418.20 = 12,942,583,875.60 : x
  2. Step 2: Convert to fraction form
    42,386,588,278.80/63,579,882,418.20 = 12,942,583,875.60/x
  3. Step 3: Cross multiply
    42,386,588,278.80x = 63,579,882,418.20 × 12,942,583,875.60
  4. Step 4: Simplify right side
    42,386,588,278.80x = 822,887,960,998,339,280,896
  5. Step 5: Solve for x
    x = 822,887,960,998,339,280,896/42,386,588,278.80
  6. Step 6: Final answer
    x = 19,413,875,813.40

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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.