Home / 30,711,205,933.36-42,377,793,657.05-16,976,143,790.87

Finding the Fourth Proportional to 30,711,205,933.36, 42,377,793,657.05 and 16,976,143,790.87

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Solution

The fourth proportional to 30,711,205,933.36, 42,377,793,657.05 and 16,976,143,790.87 is: 23,425,049,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711,205,933.36 : 42,377,793,657.05 = 16,976,143,790.87 : x
  2. Step 2: Convert to fraction form
    30,711,205,933.36/42,377,793,657.05 = 16,976,143,790.87/x
  3. Step 3: Cross multiply
    30,711,205,933.36x = 42,377,793,657.05 × 16,976,143,790.87
  4. Step 4: Simplify right side
    30,711,205,933.36x = 719,411,518,661,721,456,640
  5. Step 5: Solve for x
    x = 719,411,518,661,721,456,640/30,711,205,933.36
  6. Step 6: Final answer
    x = 23,425,049,482.68

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Double scale
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1.5x scale

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.