Home / 1,299,084,848.80-1,948,627,273.20-610,337,312.80

Finding the Fourth Proportional to 1,299,084,848.80, 1,948,627,273.20 and 610,337,312.80

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Solution

The fourth proportional to 1,299,084,848.80, 1,948,627,273.20 and 610,337,312.80 is: 915,505,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,084,848.80 : 1,948,627,273.20 = 610,337,312.80 : x
  2. Step 2: Convert to fraction form
    1,299,084,848.80/1,948,627,273.20 = 610,337,312.80/x
  3. Step 3: Cross multiply
    1,299,084,848.80x = 1,948,627,273.20 × 610,337,312.80
  4. Step 4: Simplify right side
    1,299,084,848.80x = 1,189,319,933,573,679,360
  5. Step 5: Solve for x
    x = 1,189,319,933,573,679,360/1,299,084,848.80
  6. Step 6: Final answer
    x = 915,505,969.20

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Half scale
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Double scale
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Similar ratio
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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.