Home / 711,470,867,715.57-981,829,797,447.87-406,976,523,696.97

Finding the Fourth Proportional to 711,470,867,715.57, 981,829,797,447.87 and 406,976,523,696.97

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Solution

The fourth proportional to 711,470,867,715.57, 981,829,797,447.87 and 406,976,523,696.97 is: 561,627,602,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,470,867,715.57 : 981,829,797,447.87 = 406,976,523,696.97 : x
  2. Step 2: Convert to fraction form
    711,470,867,715.57/981,829,797,447.87 = 406,976,523,696.97/x
  3. Step 3: Cross multiply
    711,470,867,715.57x = 981,829,797,447.87 × 406,976,523,696.97
  4. Step 4: Simplify right side
    711,470,867,715.57x = 399,581,677,827,434,269,900,800
  5. Step 5: Solve for x
    x = 399,581,677,827,434,269,900,800/711,470,867,715.57
  6. Step 6: Final answer
    x = 561,627,602,702.04

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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.