Home / 880,925,711.76-1,215,709,445.57-504,655,021.02

Finding the Fourth Proportional to 880,925,711.76, 1,215,709,445.57 and 504,655,021.02

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Solution

The fourth proportional to 880,925,711.76, 1,215,709,445.57 and 504,655,021.02 is: 696,442,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,925,711.76 : 1,215,709,445.57 = 504,655,021.02 : x
  2. Step 2: Convert to fraction form
    880,925,711.76/1,215,709,445.57 = 504,655,021.02/x
  3. Step 3: Cross multiply
    880,925,711.76x = 1,215,709,445.57 × 504,655,021.02
  4. Step 4: Simplify right side
    880,925,711.76x = 613,513,875,808,340,864
  5. Step 5: Solve for x
    x = 613,513,875,808,340,864/880,925,711.76
  6. Step 6: Final answer
    x = 696,442,239.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.