Home / 1,436,728,208.31-1,982,309,713.02-841,692,818.70

Finding the Fourth Proportional to 1,436,728,208.31, 1,982,309,713.02 and 841,692,818.70

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Solution

The fourth proportional to 1,436,728,208.31, 1,982,309,713.02 and 841,692,818.70 is: 1,161,316,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,728,208.31 : 1,982,309,713.02 = 841,692,818.70 : x
  2. Step 2: Convert to fraction form
    1,436,728,208.31/1,982,309,713.02 = 841,692,818.70/x
  3. Step 3: Cross multiply
    1,436,728,208.31x = 1,982,309,713.02 × 841,692,818.70
  4. Step 4: Simplify right side
    1,436,728,208.31x = 1,668,495,849,888,192,000
  5. Step 5: Solve for x
    x = 1,668,495,849,888,192,000/1,436,728,208.31
  6. Step 6: Final answer
    x = 1,161,316,274.18

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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.