Home / 831,670,538.22-1,147,714,412.67-460,398,769.74

Finding the Fourth Proportional to 831,670,538.22, 1,147,714,412.67 and 460,398,769.74

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Solution

The fourth proportional to 831,670,538.22, 1,147,714,412.67 and 460,398,769.74 is: 635,355,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,538.22 : 1,147,714,412.67 = 460,398,769.74 : x
  2. Step 2: Convert to fraction form
    831,670,538.22/1,147,714,412.67 = 460,398,769.74/x
  3. Step 3: Cross multiply
    831,670,538.22x = 1,147,714,412.67 × 460,398,769.74
  4. Step 4: Simplify right side
    831,670,538.22x = 528,406,303,606,134,720
  5. Step 5: Solve for x
    x = 528,406,303,606,134,720/831,670,538.22
  6. Step 6: Final answer
    x = 635,355,323.20

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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.