Home / 1,125,972,562.77-1,553,842,111.92-624,180,074.89

Finding the Fourth Proportional to 1,125,972,562.77, 1,553,842,111.92 and 624,180,074.89

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Solution

The fourth proportional to 1,125,972,562.77, 1,553,842,111.92 and 624,180,074.89 is: 861,368,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,972,562.77 : 1,553,842,111.92 = 624,180,074.89 : x
  2. Step 2: Convert to fraction form
    1,125,972,562.77/1,553,842,111.92 = 624,180,074.89/x
  3. Step 3: Cross multiply
    1,125,972,562.77x = 1,553,842,111.92 × 624,180,074.89
  4. Step 4: Simplify right side
    1,125,972,562.77x = 969,877,285,785,461,376
  5. Step 5: Solve for x
    x = 969,877,285,785,461,376/1,125,972,562.77
  6. Step 6: Final answer
    x = 861,368,489.65

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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.