Home / 1,680,236,493.40-2,516,323,661.70-817,585,715.80

Finding the Fourth Proportional to 1,680,236,493.40, 2,516,323,661.70 and 817,585,715.80

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Solution

The fourth proportional to 1,680,236,493.40, 2,516,323,661.70 and 817,585,715.80 is: 1,224,417,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,236,493.40 : 2,516,323,661.70 = 817,585,715.80 : x
  2. Step 2: Convert to fraction form
    1,680,236,493.40/2,516,323,661.70 = 817,585,715.80/x
  3. Step 3: Cross multiply
    1,680,236,493.40x = 2,516,323,661.70 × 817,585,715.80
  4. Step 4: Simplify right side
    1,680,236,493.40x = 2,057,310,282,135,471,360
  5. Step 5: Solve for x
    x = 2,057,310,282,135,471,360/1,680,236,493.40
  6. Step 6: Final answer
    x = 1,224,417,092.60

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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.