Home / 1,155,762,003.20-1,733,643,004.80-665,985,977.60

Finding the Fourth Proportional to 1,155,762,003.20, 1,733,643,004.80 and 665,985,977.60

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Solution

The fourth proportional to 1,155,762,003.20, 1,733,643,004.80 and 665,985,977.60 is: 998,978,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,762,003.20 : 1,733,643,004.80 = 665,985,977.60 : x
  2. Step 2: Convert to fraction form
    1,155,762,003.20/1,733,643,004.80 = 665,985,977.60/x
  3. Step 3: Cross multiply
    1,155,762,003.20x = 1,733,643,004.80 × 665,985,977.60
  4. Step 4: Simplify right side
    1,155,762,003.20x = 1,154,581,931,361,129,472
  5. Step 5: Solve for x
    x = 1,154,581,931,361,129,472/1,155,762,003.20
  6. Step 6: Final answer
    x = 998,978,966.40

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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.