Home / 688,766,295,924.30-1,033,149,443,886.50-679,478,691,290.70

Finding the Fourth Proportional to 688,766,295,924.30, 1,033,149,443,886.50 and 679,478,691,290.70

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Solution

The fourth proportional to 688,766,295,924.30, 1,033,149,443,886.50 and 679,478,691,290.70 is: 1,019,218,036,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,766,295,924.30 : 1,033,149,443,886.50 = 679,478,691,290.70 : x
  2. Step 2: Convert to fraction form
    688,766,295,924.30/1,033,149,443,886.50 = 679,478,691,290.70/x
  3. Step 3: Cross multiply
    688,766,295,924.30x = 1,033,149,443,886.50 × 679,478,691,290.70
  4. Step 4: Simplify right side
    688,766,295,924.30x = 702,003,032,039,713,520,222,208
  5. Step 5: Solve for x
    x = 702,003,032,039,713,520,222,208/688,766,295,924.30
  6. Step 6: Final answer
    x = 1,019,218,036,936.10

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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.