Home / 708,968,243.72-1,063,610,471.12-217,731,088.92

Finding the Fourth Proportional to 708,968,243.72, 1,063,610,471.12 and 217,731,088.92

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Solution

The fourth proportional to 708,968,243.72, 1,063,610,471.12 and 217,731,088.92 is: 326,645,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,968,243.72 : 1,063,610,471.12 = 217,731,088.92 : x
  2. Step 2: Convert to fraction form
    708,968,243.72/1,063,610,471.12 = 217,731,088.92/x
  3. Step 3: Cross multiply
    708,968,243.72x = 1,063,610,471.12 × 217,731,088.92
  4. Step 4: Simplify right side
    708,968,243.72x = 231,581,066,063,671,808
  5. Step 5: Solve for x
    x = 231,581,066,063,671,808/708,968,243.72
  6. Step 6: Final answer
    x = 326,645,189.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.