Home / 831,670,564.10-1,147,714,448.38-460,398,795.62

Finding the Fourth Proportional to 831,670,564.10, 1,147,714,448.38 and 460,398,795.62

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Solution

The fourth proportional to 831,670,564.10, 1,147,714,448.38 and 460,398,795.62 is: 635,355,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,564.10 : 1,147,714,448.38 = 460,398,795.62 : x
  2. Step 2: Convert to fraction form
    831,670,564.10/1,147,714,448.38 = 460,398,795.62/x
  3. Step 3: Cross multiply
    831,670,564.10x = 1,147,714,448.38 × 460,398,795.62
  4. Step 4: Simplify right side
    831,670,564.10x = 528,406,349,742,935,104
  5. Step 5: Solve for x
    x = 528,406,349,742,935,104/831,670,564.10
  6. Step 6: Final answer
    x = 635,355,358.91

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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.