Home / 831,670,545.72-1,147,714,423.02-460,398,777.24

Finding the Fourth Proportional to 831,670,545.72, 1,147,714,423.02 and 460,398,777.24

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Solution

The fourth proportional to 831,670,545.72, 1,147,714,423.02 and 460,398,777.24 is: 635,355,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,545.72 : 1,147,714,423.02 = 460,398,777.24 : x
  2. Step 2: Convert to fraction form
    831,670,545.72/1,147,714,423.02 = 460,398,777.24/x
  3. Step 3: Cross multiply
    831,670,545.72x = 1,147,714,423.02 × 460,398,777.24
  4. Step 4: Simplify right side
    831,670,545.72x = 528,406,316,979,120,128
  5. Step 5: Solve for x
    x = 528,406,316,979,120,128/831,670,545.72
  6. Step 6: Final answer
    x = 635,355,333.55

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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.