Home / 873,816,792.48-1,205,818,776.72-477,260,825.76

Finding the Fourth Proportional to 873,816,792.48, 1,205,818,776.72 and 477,260,825.76

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Solution

The fourth proportional to 873,816,792.48, 1,205,818,776.72 and 477,260,825.76 is: 658,593,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,816,792.48 : 1,205,818,776.72 = 477,260,825.76 : x
  2. Step 2: Convert to fraction form
    873,816,792.48/1,205,818,776.72 = 477,260,825.76/x
  3. Step 3: Cross multiply
    873,816,792.48x = 1,205,818,776.72 × 477,260,825.76
  4. Step 4: Simplify right side
    873,816,792.48x = 575,490,065,094,300,288
  5. Step 5: Solve for x
    x = 575,490,065,094,300,288/873,816,792.48
  6. Step 6: Final answer
    x = 658,593,506.15

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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.