Home / 30,711,205,934.62-42,377,793,658.77-16,976,143,792.10

Finding the Fourth Proportional to 30,711,205,934.62, 42,377,793,658.77 and 16,976,143,792.10

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Solution

The fourth proportional to 30,711,205,934.62, 42,377,793,658.77 and 16,976,143,792.10 is: 23,425,049,484.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711,205,934.62 : 42,377,793,658.77 = 16,976,143,792.10 : x
  2. Step 2: Convert to fraction form
    30,711,205,934.62/42,377,793,658.77 = 16,976,143,792.10/x
  3. Step 3: Cross multiply
    30,711,205,934.62x = 42,377,793,658.77 × 16,976,143,792.10
  4. Step 4: Simplify right side
    30,711,205,934.62x = 719,411,518,743,223,074,816
  5. Step 5: Solve for x
    x = 719,411,518,743,223,074,816/30,711,205,934.62
  6. Step 6: Final answer
    x = 23,425,049,484.37

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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.