Home / 1,393,650,902.70-2,090,476,354.05-773,778,120.30

Finding the Fourth Proportional to 1,393,650,902.70, 2,090,476,354.05 and 773,778,120.30

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Solution

The fourth proportional to 1,393,650,902.70, 2,090,476,354.05 and 773,778,120.30 is: 1,160,667,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,650,902.70 : 2,090,476,354.05 = 773,778,120.30 : x
  2. Step 2: Convert to fraction form
    1,393,650,902.70/2,090,476,354.05 = 773,778,120.30/x
  3. Step 3: Cross multiply
    1,393,650,902.70x = 2,090,476,354.05 × 773,778,120.30
  4. Step 4: Simplify right side
    1,393,650,902.70x = 1,617,564,863,768,406,272
  5. Step 5: Solve for x
    x = 1,617,564,863,768,406,272/1,393,650,902.70
  6. Step 6: Final answer
    x = 1,160,667,180.45

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Double scale
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1.5x scale

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.