Home / 1,334,680,128.40-2,002,020,192.60-761,371,200.40

Finding the Fourth Proportional to 1,334,680,128.40, 2,002,020,192.60 and 761,371,200.40

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Solution

The fourth proportional to 1,334,680,128.40, 2,002,020,192.60 and 761,371,200.40 is: 1,142,056,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,680,128.40 : 2,002,020,192.60 = 761,371,200.40 : x
  2. Step 2: Convert to fraction form
    1,334,680,128.40/2,002,020,192.60 = 761,371,200.40/x
  3. Step 3: Cross multiply
    1,334,680,128.40x = 2,002,020,192.60 × 761,371,200.40
  4. Step 4: Simplify right side
    1,334,680,128.40x = 1,524,280,517,264,901,120
  5. Step 5: Solve for x
    x = 1,524,280,517,264,901,120/1,334,680,128.40
  6. Step 6: Final answer
    x = 1,142,056,800.60

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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.