Home / 708,593,126.70-1,062,889,690.05-605,280,996.30

Finding the Fourth Proportional to 708,593,126.70, 1,062,889,690.05 and 605,280,996.30

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Solution

The fourth proportional to 708,593,126.70, 1,062,889,690.05 and 605,280,996.30 is: 907,921,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,593,126.70 : 1,062,889,690.05 = 605,280,996.30 : x
  2. Step 2: Convert to fraction form
    708,593,126.70/1,062,889,690.05 = 605,280,996.30/x
  3. Step 3: Cross multiply
    708,593,126.70x = 1,062,889,690.05 × 605,280,996.30
  4. Step 4: Simplify right side
    708,593,126.70x = 643,346,930,550,462,080
  5. Step 5: Solve for x
    x = 643,346,930,550,462,080/708,593,126.70
  6. Step 6: Final answer
    x = 907,921,494.45

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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.