Home / 288,333,796,523.95-397,864,067,609.40-158,088,377,293.77

Finding the Fourth Proportional to 288,333,796,523.95, 397,864,067,609.40 and 158,088,377,293.77

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Solution

The fourth proportional to 288,333,796,523.95, 397,864,067,609.40 and 158,088,377,293.77 is: 218,141,909,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,333,796,523.95 : 397,864,067,609.40 = 158,088,377,293.77 : x
  2. Step 2: Convert to fraction form
    288,333,796,523.95/397,864,067,609.40 = 158,088,377,293.77/x
  3. Step 3: Cross multiply
    288,333,796,523.95x = 397,864,067,609.40 × 158,088,377,293.77
  4. Step 4: Simplify right side
    288,333,796,523.95x = 62,897,684,831,868,844,769,280
  5. Step 5: Solve for x
    x = 62,897,684,831,868,844,769,280/288,333,796,523.95
  6. Step 6: Final answer
    x = 218,141,909,100.29

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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.