Home / 937,780,064.20-1,294,044,296.34-520,085,070.28

Finding the Fourth Proportional to 937,780,064.20, 1,294,044,296.34 and 520,085,070.28

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Solution

The fourth proportional to 937,780,064.20, 1,294,044,296.34 and 520,085,070.28 is: 717,666,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,780,064.20 : 1,294,044,296.34 = 520,085,070.28 : x
  2. Step 2: Convert to fraction form
    937,780,064.20/1,294,044,296.34 = 520,085,070.28/x
  3. Step 3: Cross multiply
    937,780,064.20x = 1,294,044,296.34 × 520,085,070.28
  4. Step 4: Simplify right side
    937,780,064.20x = 673,013,118,807,421,952
  5. Step 5: Solve for x
    x = 673,013,118,807,421,952/937,780,064.20
  6. Step 6: Final answer
    x = 717,666,267.92

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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.