Home / 480,363,871.85-662,897,242.17-268,670,197.12

Finding the Fourth Proportional to 480,363,871.85, 662,897,242.17 and 268,670,197.12

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Solution

The fourth proportional to 480,363,871.85, 662,897,242.17 and 268,670,197.12 is: 370,762,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,363,871.85 : 662,897,242.17 = 268,670,197.12 : x
  2. Step 2: Convert to fraction form
    480,363,871.85/662,897,242.17 = 268,670,197.12/x
  3. Step 3: Cross multiply
    480,363,871.85x = 662,897,242.17 × 268,670,197.12
  4. Step 4: Simplify right side
    480,363,871.85x = 178,100,732,724,118,272
  5. Step 5: Solve for x
    x = 178,100,732,724,118,272/480,363,871.85
  6. Step 6: Final answer
    x = 370,762,130.88

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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.