Home / 831,670,536.60-1,147,714,410.43-460,398,768.12

Finding the Fourth Proportional to 831,670,536.60, 1,147,714,410.43 and 460,398,768.12

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Solution

The fourth proportional to 831,670,536.60, 1,147,714,410.43 and 460,398,768.12 is: 635,355,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,536.60 : 1,147,714,410.43 = 460,398,768.12 : x
  2. Step 2: Convert to fraction form
    831,670,536.60/1,147,714,410.43 = 460,398,768.12/x
  3. Step 3: Cross multiply
    831,670,536.60x = 1,147,714,410.43 × 460,398,768.12
  4. Step 4: Simplify right side
    831,670,536.60x = 528,406,300,715,544,128
  5. Step 5: Solve for x
    x = 528,406,300,715,544,128/831,670,536.60
  6. Step 6: Final answer
    x = 635,355,320.96

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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.