Home / 873,816,801.48-1,205,818,789.12-477,260,834.76

Finding the Fourth Proportional to 873,816,801.48, 1,205,818,789.12 and 477,260,834.76

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Solution

The fourth proportional to 873,816,801.48, 1,205,818,789.12 and 477,260,834.76 is: 658,593,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,816,801.48 : 1,205,818,789.12 = 477,260,834.76 : x
  2. Step 2: Convert to fraction form
    873,816,801.48/1,205,818,789.12 = 477,260,834.76/x
  3. Step 3: Cross multiply
    873,816,801.48x = 1,205,818,789.12 × 477,260,834.76
  4. Step 4: Simplify right side
    873,816,801.48x = 575,490,081,864,703,552
  5. Step 5: Solve for x
    x = 575,490,081,864,703,552/873,816,801.48
  6. Step 6: Final answer
    x = 658,593,518.56

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Double scale
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1.5x scale

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.