Home / 1,559,859,717.47-2,339,789,434.16-686,461,085.55

Finding the Fourth Proportional to 1,559,859,717.47, 2,339,789,434.16 and 686,461,085.55

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Solution

The fourth proportional to 1,559,859,717.47, 2,339,789,434.16 and 686,461,085.55 is: 1,029,691,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,859,717.47 : 2,339,789,434.16 = 686,461,085.55 : x
  2. Step 2: Convert to fraction form
    1,559,859,717.47/2,339,789,434.16 = 686,461,085.55/x
  3. Step 3: Cross multiply
    1,559,859,717.47x = 2,339,789,434.16 × 686,461,085.55
  4. Step 4: Simplify right side
    1,559,859,717.47x = 1,606,174,394,928,461,568
  5. Step 5: Solve for x
    x = 1,606,174,394,928,461,568/1,559,859,717.47
  6. Step 6: Final answer
    x = 1,029,691,565.82

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Double scale
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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.