Home / 2,656,152,021.60-3,984,228,032.40-815,996,224.80

Finding the Fourth Proportional to 2,656,152,021.60, 3,984,228,032.40 and 815,996,224.80

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Solution

The fourth proportional to 2,656,152,021.60, 3,984,228,032.40 and 815,996,224.80 is: 1,223,994,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,152,021.60 : 3,984,228,032.40 = 815,996,224.80 : x
  2. Step 2: Convert to fraction form
    2,656,152,021.60/3,984,228,032.40 = 815,996,224.80/x
  3. Step 3: Cross multiply
    2,656,152,021.60x = 3,984,228,032.40 × 815,996,224.80
  4. Step 4: Simplify right side
    2,656,152,021.60x = 3,251,115,033,180,731,904
  5. Step 5: Solve for x
    x = 3,251,115,033,180,731,904/2,656,152,021.60
  6. Step 6: Final answer
    x = 1,223,994,337.20

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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.