Home / 356,996,489.14-533,090,713.76-291,547,462.66

Finding the Fourth Proportional to 356,996,489.14, 533,090,713.76 and 291,547,462.66

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Solution

The fourth proportional to 356,996,489.14, 533,090,713.76 and 291,547,462.66 is: 435,357,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,996,489.14 : 533,090,713.76 = 291,547,462.66 : x
  2. Step 2: Convert to fraction form
    356,996,489.14/533,090,713.76 = 291,547,462.66/x
  3. Step 3: Cross multiply
    356,996,489.14x = 533,090,713.76 × 291,547,462.66
  4. Step 4: Simplify right side
    356,996,489.14x = 155,421,244,964,336,352
  5. Step 5: Solve for x
    x = 155,421,244,964,336,352/356,996,489.14
  6. Step 6: Final answer
    x = 435,357,908.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.