Home / 1,158,180,921.43-1,598,464,381.01-706,321,036.05

Finding the Fourth Proportional to 1,158,180,921.43, 1,598,464,381.01 and 706,321,036.05

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Solution

The fourth proportional to 1,158,180,921.43, 1,598,464,381.01 and 706,321,036.05 is: 974,829,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,180,921.43 : 1,598,464,381.01 = 706,321,036.05 : x
  2. Step 2: Convert to fraction form
    1,158,180,921.43/1,598,464,381.01 = 706,321,036.05/x
  3. Step 3: Cross multiply
    1,158,180,921.43x = 1,598,464,381.01 × 706,321,036.05
  4. Step 4: Simplify right side
    1,158,180,921.43x = 1,129,029,017,685,770,880
  5. Step 5: Solve for x
    x = 1,129,029,017,685,770,880/1,158,180,921.43
  6. Step 6: Final answer
    x = 974,829,576.96

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Double scale
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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.