Home / 1,091,521,036.20-1,637,281,554.30-315,192,023.40

Finding the Fourth Proportional to 1,091,521,036.20, 1,637,281,554.30 and 315,192,023.40

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Solution

The fourth proportional to 1,091,521,036.20, 1,637,281,554.30 and 315,192,023.40 is: 472,788,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,521,036.20 : 1,637,281,554.30 = 315,192,023.40 : x
  2. Step 2: Convert to fraction form
    1,091,521,036.20/1,637,281,554.30 = 315,192,023.40/x
  3. Step 3: Cross multiply
    1,091,521,036.20x = 1,637,281,554.30 × 315,192,023.40
  4. Step 4: Simplify right side
    1,091,521,036.20x = 516,058,085,975,313,920
  5. Step 5: Solve for x
    x = 516,058,085,975,313,920/1,091,521,036.20
  6. Step 6: Final answer
    x = 472,788,035.10

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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.