Home / 1,277,553,655.23-1,917,005,647.31-906,459,793.22

Finding the Fourth Proportional to 1,277,553,655.23, 1,917,005,647.31 and 906,459,793.22

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Solution

The fourth proportional to 1,277,553,655.23, 1,917,005,647.31 and 906,459,793.22 is: 1,360,168,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,553,655.23 : 1,917,005,647.31 = 906,459,793.22 : x
  2. Step 2: Convert to fraction form
    1,277,553,655.23/1,917,005,647.31 = 906,459,793.22/x
  3. Step 3: Cross multiply
    1,277,553,655.23x = 1,917,005,647.31 × 906,459,793.22
  4. Step 4: Simplify right side
    1,277,553,655.23x = 1,737,688,542,662,194,944
  5. Step 5: Solve for x
    x = 1,737,688,542,662,194,944/1,277,553,655.23
  6. Step 6: Final answer
    x = 1,360,168,737.77

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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.