Home / 1,125,972,561.77-1,553,842,110.54-624,180,073.89

Finding the Fourth Proportional to 1,125,972,561.77, 1,553,842,110.54 and 624,180,073.89

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Solution

The fourth proportional to 1,125,972,561.77, 1,553,842,110.54 and 624,180,073.89 is: 861,368,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,972,561.77 : 1,553,842,110.54 = 624,180,073.89 : x
  2. Step 2: Convert to fraction form
    1,125,972,561.77/1,553,842,110.54 = 624,180,073.89/x
  3. Step 3: Cross multiply
    1,125,972,561.77x = 1,553,842,110.54 × 624,180,073.89
  4. Step 4: Simplify right side
    1,125,972,561.77x = 969,877,283,370,250,752
  5. Step 5: Solve for x
    x = 969,877,283,370,250,752/1,125,972,561.77
  6. Step 6: Final answer
    x = 861,368,488.28

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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.