Home / 709,953,210.72-1,065,044,239.92-218,666,318.04

Finding the Fourth Proportional to 709,953,210.72, 1,065,044,239.92 and 218,666,318.04

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Solution

The fourth proportional to 709,953,210.72, 1,065,044,239.92 and 218,666,318.04 is: 328,034,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,953,210.72 : 1,065,044,239.92 = 218,666,318.04 : x
  2. Step 2: Convert to fraction form
    709,953,210.72/1,065,044,239.92 = 218,666,318.04/x
  3. Step 3: Cross multiply
    709,953,210.72x = 1,065,044,239.92 × 218,666,318.04
  4. Step 4: Simplify right side
    709,953,210.72x = 232,889,302,493,016,768
  5. Step 5: Solve for x
    x = 232,889,302,493,016,768/709,953,210.72
  6. Step 6: Final answer
    x = 328,034,719.72

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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.