Home / 831,670,535.35-1,147,714,408.71-460,398,766.87

Finding the Fourth Proportional to 831,670,535.35, 1,147,714,408.71 and 460,398,766.87

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Solution

The fourth proportional to 831,670,535.35, 1,147,714,408.71 and 460,398,766.87 is: 635,355,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,535.35 : 1,147,714,408.71 = 460,398,766.87 : x
  2. Step 2: Convert to fraction form
    831,670,535.35/1,147,714,408.71 = 460,398,766.87/x
  3. Step 3: Cross multiply
    831,670,535.35x = 1,147,714,408.71 × 460,398,766.87
  4. Step 4: Simplify right side
    831,670,535.35x = 528,406,298,480,974,592
  5. Step 5: Solve for x
    x = 528,406,298,480,974,592/831,670,535.35
  6. Step 6: Final answer
    x = 635,355,319.23

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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.