Home / 752,611,200.75-1,038,632,964.12-514,954,861.20

Finding the Fourth Proportional to 752,611,200.75, 1,038,632,964.12 and 514,954,861.20

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Solution

The fourth proportional to 752,611,200.75, 1,038,632,964.12 and 514,954,861.20 is: 710,657,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,611,200.75 : 1,038,632,964.12 = 514,954,861.20 : x
  2. Step 2: Convert to fraction form
    752,611,200.75/1,038,632,964.12 = 514,954,861.20/x
  3. Step 3: Cross multiply
    752,611,200.75x = 1,038,632,964.12 × 514,954,861.20
  4. Step 4: Simplify right side
    752,611,200.75x = 534,849,093,876,159,168
  5. Step 5: Solve for x
    x = 534,849,093,876,159,168/752,611,200.75
  6. Step 6: Final answer
    x = 710,657,897.92

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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.