Home / 478,095,636.89-659,754,560.45-266,391,529.02

Finding the Fourth Proportional to 478,095,636.89, 659,754,560.45 and 266,391,529.02

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Solution

The fourth proportional to 478,095,636.89, 659,754,560.45 and 266,391,529.02 is: 367,610,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,636.89 : 659,754,560.45 = 266,391,529.02 : x
  2. Step 2: Convert to fraction form
    478,095,636.89/659,754,560.45 = 266,391,529.02/x
  3. Step 3: Cross multiply
    478,095,636.89x = 659,754,560.45 × 266,391,529.02
  4. Step 4: Simplify right side
    478,095,636.89x = 175,753,026,136,859,488
  5. Step 5: Solve for x
    x = 175,753,026,136,859,488/478,095,636.89
  6. Step 6: Final answer
    x = 367,610,604.60

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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.