Home / 1,107,980,502.63-1,662,428,580.53-485,873,830.95

Finding the Fourth Proportional to 1,107,980,502.63, 1,662,428,580.53 and 485,873,830.95

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Solution

The fourth proportional to 1,107,980,502.63, 1,662,428,580.53 and 485,873,830.95 is: 729,011,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,980,502.63 : 1,662,428,580.53 = 485,873,830.95 : x
  2. Step 2: Convert to fraction form
    1,107,980,502.63/1,662,428,580.53 = 485,873,830.95/x
  3. Step 3: Cross multiply
    1,107,980,502.63x = 1,662,428,580.53 × 485,873,830.95
  4. Step 4: Simplify right side
    1,107,980,502.63x = 807,730,543,100,452,352
  5. Step 5: Solve for x
    x = 807,730,543,100,452,352/1,107,980,502.63
  6. Step 6: Final answer
    x = 729,011,513.45

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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.