Home / 1,034,451,907.70-1,551,677,861.55-542,975,270.90

Finding the Fourth Proportional to 1,034,451,907.70, 1,551,677,861.55 and 542,975,270.90

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Solution

The fourth proportional to 1,034,451,907.70, 1,551,677,861.55 and 542,975,270.90 is: 814,462,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,451,907.70 : 1,551,677,861.55 = 542,975,270.90 : x
  2. Step 2: Convert to fraction form
    1,034,451,907.70/1,551,677,861.55 = 542,975,270.90/x
  3. Step 3: Cross multiply
    1,034,451,907.70x = 1,551,677,861.55 × 542,975,270.90
  4. Step 4: Simplify right side
    1,034,451,907.70x = 842,522,707,224,643,840
  5. Step 5: Solve for x
    x = 842,522,707,224,643,840/1,034,451,907.70
  6. Step 6: Final answer
    x = 814,462,906.35

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Half scale
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Double scale
Find fourth proportional to 1,034,451,908.70, 1,551,677,863.05 and 542,975,271.90
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.