Home / 831,670,548.72-1,147,714,427.16-460,398,780.24

Finding the Fourth Proportional to 831,670,548.72, 1,147,714,427.16 and 460,398,780.24

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Solution

The fourth proportional to 831,670,548.72, 1,147,714,427.16 and 460,398,780.24 is: 635,355,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,548.72 : 1,147,714,427.16 = 460,398,780.24 : x
  2. Step 2: Convert to fraction form
    831,670,548.72/1,147,714,427.16 = 460,398,780.24/x
  3. Step 3: Cross multiply
    831,670,548.72x = 1,147,714,427.16 × 460,398,780.24
  4. Step 4: Simplify right side
    831,670,548.72x = 528,406,322,328,314,368
  5. Step 5: Solve for x
    x = 528,406,322,328,314,368/831,670,548.72
  6. Step 6: Final answer
    x = 635,355,337.69

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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.