Home / 1,357,194,872.25-1,873,080,938.03-821,641,729.05

Finding the Fourth Proportional to 1,357,194,872.25, 1,873,080,938.03 and 821,641,729.05

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Solution

The fourth proportional to 1,357,194,872.25, 1,873,080,938.03 and 821,641,729.05 is: 1,133,957,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,194,872.25 : 1,873,080,938.03 = 821,641,729.05 : x
  2. Step 2: Convert to fraction form
    1,357,194,872.25/1,873,080,938.03 = 821,641,729.05/x
  3. Step 3: Cross multiply
    1,357,194,872.25x = 1,873,080,938.03 × 821,641,729.05
  4. Step 4: Simplify right side
    1,357,194,872.25x = 1,539,001,460,569,456,896
  5. Step 5: Solve for x
    x = 1,539,001,460,569,456,896/1,357,194,872.25
  6. Step 6: Final answer
    x = 1,133,957,615.11

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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.