Home / 711,470,867,747.58-981,829,797,491.70-406,976,523,729.03

Finding the Fourth Proportional to 711,470,867,747.58, 981,829,797,491.70 and 406,976,523,729.03

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Solution

The fourth proportional to 711,470,867,747.58, 981,829,797,491.70 and 406,976,523,729.03 is: 561,627,602,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,470,867,747.58 : 981,829,797,491.70 = 406,976,523,729.03 : x
  2. Step 2: Convert to fraction form
    711,470,867,747.58/981,829,797,491.70 = 406,976,523,729.03/x
  3. Step 3: Cross multiply
    711,470,867,747.58x = 981,829,797,491.70 × 406,976,523,729.03
  4. Step 4: Simplify right side
    711,470,867,747.58x = 399,581,677,876,749,554,155,520
  5. Step 5: Solve for x
    x = 399,581,677,876,749,554,155,520/711,470,867,747.58
  6. Step 6: Final answer
    x = 561,627,602,746.08

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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.