Home / 1,345,209,987.70-2,017,814,981.55-362,634,627.70

Finding the Fourth Proportional to 1,345,209,987.70, 2,017,814,981.55 and 362,634,627.70

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Solution

The fourth proportional to 1,345,209,987.70, 2,017,814,981.55 and 362,634,627.70 is: 543,951,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,209,987.70 : 2,017,814,981.55 = 362,634,627.70 : x
  2. Step 2: Convert to fraction form
    1,345,209,987.70/2,017,814,981.55 = 362,634,627.70/x
  3. Step 3: Cross multiply
    1,345,209,987.70x = 2,017,814,981.55 × 362,634,627.70
  4. Step 4: Simplify right side
    1,345,209,987.70x = 731,729,584,601,866,624
  5. Step 5: Solve for x
    x = 731,729,584,601,866,624/1,345,209,987.70
  6. Step 6: Final answer
    x = 543,951,941.55

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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.