Home / 467,836,123.61-645,588,272.99-256,101,994.01

Finding the Fourth Proportional to 467,836,123.61, 645,588,272.99 and 256,101,994.01

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Solution

The fourth proportional to 467,836,123.61, 645,588,272.99 and 256,101,994.01 is: 353,406,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,836,123.61 : 645,588,272.99 = 256,101,994.01 : x
  2. Step 2: Convert to fraction form
    467,836,123.61/645,588,272.99 = 256,101,994.01/x
  3. Step 3: Cross multiply
    467,836,123.61x = 645,588,272.99 × 256,101,994.01
  4. Step 4: Simplify right side
    467,836,123.61x = 165,336,444,024,465,440
  5. Step 5: Solve for x
    x = 165,336,444,024,465,440/467,836,123.61
  6. Step 6: Final answer
    x = 353,406,750.10

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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.