Home / 1,277,553,655.73-1,917,005,648.06-906,459,793.72

Finding the Fourth Proportional to 1,277,553,655.73, 1,917,005,648.06 and 906,459,793.72

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Solution

The fourth proportional to 1,277,553,655.73, 1,917,005,648.06 and 906,459,793.72 is: 1,360,168,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,553,655.73 : 1,917,005,648.06 = 906,459,793.72 : x
  2. Step 2: Convert to fraction form
    1,277,553,655.73/1,917,005,648.06 = 906,459,793.72/x
  3. Step 3: Cross multiply
    1,277,553,655.73x = 1,917,005,648.06 × 906,459,793.72
  4. Step 4: Simplify right side
    1,277,553,655.73x = 1,737,688,544,291,217,664
  5. Step 5: Solve for x
    x = 1,737,688,544,291,217,664/1,277,553,655.73
  6. Step 6: Final answer
    x = 1,360,168,738.51

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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.