Home / 676,572,189.89-933,695,286.71-379,219,927.91

Finding the Fourth Proportional to 676,572,189.89, 933,695,286.71 and 379,219,927.91

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Solution

The fourth proportional to 676,572,189.89, 933,695,286.71 and 379,219,927.91 is: 523,337,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,572,189.89 : 933,695,286.71 = 379,219,927.91 : x
  2. Step 2: Convert to fraction form
    676,572,189.89/933,695,286.71 = 379,219,927.91/x
  3. Step 3: Cross multiply
    676,572,189.89x = 933,695,286.71 × 379,219,927.91
  4. Step 4: Simplify right side
    676,572,189.89x = 354,075,859,309,545,792
  5. Step 5: Solve for x
    x = 354,075,859,309,545,792/676,572,189.89
  6. Step 6: Final answer
    x = 523,337,885.60

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1.5x scale

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.