Home / 1,354,272,508.80-1,867,006,871.52-908,315,565.12

Finding the Fourth Proportional to 1,354,272,508.80, 1,867,006,871.52 and 908,315,565.12

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Solution

The fourth proportional to 1,354,272,508.80, 1,867,006,871.52 and 908,315,565.12 is: 1,252,208,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,272,508.80 : 1,867,006,871.52 = 908,315,565.12 : x
  2. Step 2: Convert to fraction form
    1,354,272,508.80/1,867,006,871.52 = 908,315,565.12/x
  3. Step 3: Cross multiply
    1,354,272,508.80x = 1,867,006,871.52 × 908,315,565.12
  4. Step 4: Simplify right side
    1,354,272,508.80x = 1,695,831,401,587,611,904
  5. Step 5: Solve for x
    x = 1,695,831,401,587,611,904/1,354,272,508.80
  6. Step 6: Final answer
    x = 1,252,208,392.75

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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.