Home / 1,010,395,520.40-1,515,593,280.60-575,039,053.20

Finding the Fourth Proportional to 1,010,395,520.40, 1,515,593,280.60 and 575,039,053.20

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Solution

The fourth proportional to 1,010,395,520.40, 1,515,593,280.60 and 575,039,053.20 is: 862,558,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,395,520.40 : 1,515,593,280.60 = 575,039,053.20 : x
  2. Step 2: Convert to fraction form
    1,010,395,520.40/1,515,593,280.60 = 575,039,053.20/x
  3. Step 3: Cross multiply
    1,010,395,520.40x = 1,515,593,280.60 × 575,039,053.20
  4. Step 4: Simplify right side
    1,010,395,520.40x = 871,525,325,112,505,984
  5. Step 5: Solve for x
    x = 871,525,325,112,505,984/1,010,395,520.40
  6. Step 6: Final answer
    x = 862,558,579.80

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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.