Home / 601,695,743.09-830,034,535.01-392,974,061.81

Finding the Fourth Proportional to 601,695,743.09, 830,034,535.01 and 392,974,061.81

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Solution

The fourth proportional to 601,695,743.09, 830,034,535.01 and 392,974,061.81 is: 542,104,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,695,743.09 : 830,034,535.01 = 392,974,061.81 : x
  2. Step 2: Convert to fraction form
    601,695,743.09/830,034,535.01 = 392,974,061.81/x
  3. Step 3: Cross multiply
    601,695,743.09x = 830,034,535.01 × 392,974,061.81
  4. Step 4: Simplify right side
    601,695,743.09x = 326,182,042,659,339,328
  5. Step 5: Solve for x
    x = 326,182,042,659,339,328/601,695,743.09
  6. Step 6: Final answer
    x = 542,104,620.83

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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.