Home / 1,129,550,000.40-1,694,325,000.60-402,276,272.40

Finding the Fourth Proportional to 1,129,550,000.40, 1,694,325,000.60 and 402,276,272.40

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Solution

The fourth proportional to 1,129,550,000.40, 1,694,325,000.60 and 402,276,272.40 is: 603,414,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,550,000.40 : 1,694,325,000.60 = 402,276,272.40 : x
  2. Step 2: Convert to fraction form
    1,129,550,000.40/1,694,325,000.60 = 402,276,272.40/x
  3. Step 3: Cross multiply
    1,129,550,000.40x = 1,694,325,000.60 × 402,276,272.40
  4. Step 4: Simplify right side
    1,129,550,000.40x = 681,586,745,475,495,680
  5. Step 5: Solve for x
    x = 681,586,745,475,495,680/1,129,550,000.40
  6. Step 6: Final answer
    x = 603,414,408.60

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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.