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Finding the Fourth Proportional to 898,849,344.40, 1,348,274,016.60 and 694,776,000.40

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Solution

The fourth proportional to 898,849,344.40, 1,348,274,016.60 and 694,776,000.40 is: 1,042,164,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,849,344.40 : 1,348,274,016.60 = 694,776,000.40 : x
  2. Step 2: Convert to fraction form
    898,849,344.40/1,348,274,016.60 = 694,776,000.40/x
  3. Step 3: Cross multiply
    898,849,344.40x = 1,348,274,016.60 × 694,776,000.40
  4. Step 4: Simplify right side
    898,849,344.40x = 936,748,428,696,591,104
  5. Step 5: Solve for x
    x = 936,748,428,696,591,104/898,849,344.40
  6. Step 6: Final answer
    x = 1,042,164,000.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.