Home / 962,031,805.20-1,443,047,707.80-478,302,397.20

Finding the Fourth Proportional to 962,031,805.20, 1,443,047,707.80 and 478,302,397.20

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Solution

The fourth proportional to 962,031,805.20, 1,443,047,707.80 and 478,302,397.20 is: 717,453,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,031,805.20 : 1,443,047,707.80 = 478,302,397.20 : x
  2. Step 2: Convert to fraction form
    962,031,805.20/1,443,047,707.80 = 478,302,397.20/x
  3. Step 3: Cross multiply
    962,031,805.20x = 1,443,047,707.80 × 478,302,397.20
  4. Step 4: Simplify right side
    962,031,805.20x = 690,213,177,914,705,152
  5. Step 5: Solve for x
    x = 690,213,177,914,705,152/962,031,805.20
  6. Step 6: Final answer
    x = 717,453,595.80

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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.