Home / 918,876,316.24-1,268,156,520.36-522,458,703.34

Finding the Fourth Proportional to 918,876,316.24, 1,268,156,520.36 and 522,458,703.34

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Solution

The fourth proportional to 918,876,316.24, 1,268,156,520.36 and 522,458,703.34 is: 721,053,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,876,316.24 : 1,268,156,520.36 = 522,458,703.34 : x
  2. Step 2: Convert to fraction form
    918,876,316.24/1,268,156,520.36 = 522,458,703.34/x
  3. Step 3: Cross multiply
    918,876,316.24x = 1,268,156,520.36 × 522,458,703.34
  4. Step 4: Simplify right side
    918,876,316.24x = 662,559,411,259,451,776
  5. Step 5: Solve for x
    x = 662,559,411,259,451,776/918,876,316.24
  6. Step 6: Final answer
    x = 721,053,965.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.