Home / 774,532,947.48-1,068,893,365.21-435,548,116.29

Finding the Fourth Proportional to 774,532,947.48, 1,068,893,365.21 and 435,548,116.29

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Solution

The fourth proportional to 774,532,947.48, 1,068,893,365.21 and 435,548,116.29 is: 601,077,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,532,947.48 : 1,068,893,365.21 = 435,548,116.29 : x
  2. Step 2: Convert to fraction form
    774,532,947.48/1,068,893,365.21 = 435,548,116.29/x
  3. Step 3: Cross multiply
    774,532,947.48x = 1,068,893,365.21 × 435,548,116.29
  4. Step 4: Simplify right side
    774,532,947.48x = 465,554,491,730,194,304
  5. Step 5: Solve for x
    x = 465,554,491,730,194,304/774,532,947.48
  6. Step 6: Final answer
    x = 601,077,711.73

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Double scale
Find fourth proportional to 774,532,948.48, 1,068,893,366.59 and 435,548,117.29
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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.