Home / 1,243,033,984.60-1,864,774,925.70-516,096,179.80

Finding the Fourth Proportional to 1,243,033,984.60, 1,864,774,925.70 and 516,096,179.80

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Solution

The fourth proportional to 1,243,033,984.60, 1,864,774,925.70 and 516,096,179.80 is: 774,237,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,033,984.60 : 1,864,774,925.70 = 516,096,179.80 : x
  2. Step 2: Convert to fraction form
    1,243,033,984.60/1,864,774,925.70 = 516,096,179.80/x
  3. Step 3: Cross multiply
    1,243,033,984.60x = 1,864,774,925.70 × 516,096,179.80
  4. Step 4: Simplify right side
    1,243,033,984.60x = 962,403,215,340,598,912
  5. Step 5: Solve for x
    x = 962,403,215,340,598,912/1,243,033,984.60
  6. Step 6: Final answer
    x = 774,237,251.16

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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.