Home / 651,831,608.10-977,747,412.15-580,405,937.70

Finding the Fourth Proportional to 651,831,608.10, 977,747,412.15 and 580,405,937.70

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Solution

The fourth proportional to 651,831,608.10, 977,747,412.15 and 580,405,937.70 is: 870,608,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,831,608.10 : 977,747,412.15 = 580,405,937.70 : x
  2. Step 2: Convert to fraction form
    651,831,608.10/977,747,412.15 = 580,405,937.70/x
  3. Step 3: Cross multiply
    651,831,608.10x = 977,747,412.15 × 580,405,937.70
  4. Step 4: Simplify right side
    651,831,608.10x = 567,490,403,582,669,184
  5. Step 5: Solve for x
    x = 567,490,403,582,669,184/651,831,608.10
  6. Step 6: Final answer
    x = 870,608,906.55

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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.