Home / 1,260,152,947.55-1,890,229,421.33-340,027,809.95

Finding the Fourth Proportional to 1,260,152,947.55, 1,890,229,421.33 and 340,027,809.95

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Solution

The fourth proportional to 1,260,152,947.55, 1,890,229,421.33 and 340,027,809.95 is: 510,041,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,152,947.55 : 1,890,229,421.33 = 340,027,809.95 : x
  2. Step 2: Convert to fraction form
    1,260,152,947.55/1,890,229,421.33 = 340,027,809.95/x
  3. Step 3: Cross multiply
    1,260,152,947.55x = 1,890,229,421.33 × 340,027,809.95
  4. Step 4: Simplify right side
    1,260,152,947.55x = 642,730,570,436,195,584
  5. Step 5: Solve for x
    x = 642,730,570,436,195,584/1,260,152,947.55
  6. Step 6: Final answer
    x = 510,041,714.93

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Double scale
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Similar ratio
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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.