Home / 467,836,055.15-645,588,178.65-256,101,925.53

Finding the Fourth Proportional to 467,836,055.15, 645,588,178.65 and 256,101,925.53

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Solution

The fourth proportional to 467,836,055.15, 645,588,178.65 and 256,101,925.53 is: 353,406,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,836,055.15 : 645,588,178.65 = 256,101,925.53 : x
  2. Step 2: Convert to fraction form
    467,836,055.15/645,588,178.65 = 256,101,925.53/x
  3. Step 3: Cross multiply
    467,836,055.15x = 645,588,178.65 × 256,101,925.53
  4. Step 4: Simplify right side
    467,836,055.15x = 165,336,375,654,091,584
  5. Step 5: Solve for x
    x = 165,336,375,654,091,584/467,836,055.15
  6. Step 6: Final answer
    x = 353,406,655.68

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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.