Home / 657,930,913.20-986,896,369.80-528,790,750.20

Finding the Fourth Proportional to 657,930,913.20, 986,896,369.80 and 528,790,750.20

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Solution

The fourth proportional to 657,930,913.20, 986,896,369.80 and 528,790,750.20 is: 793,186,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,930,913.20 : 986,896,369.80 = 528,790,750.20 : x
  2. Step 2: Convert to fraction form
    657,930,913.20/986,896,369.80 = 528,790,750.20/x
  3. Step 3: Cross multiply
    657,930,913.20x = 986,896,369.80 × 528,790,750.20
  4. Step 4: Simplify right side
    657,930,913.20x = 521,861,671,756,198,592
  5. Step 5: Solve for x
    x = 521,861,671,756,198,592/657,930,913.20
  6. Step 6: Final answer
    x = 793,186,125.30

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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.