Home / 3,211,605,837.45-4,817,302,752.29-1,320,736,572.45

Finding the Fourth Proportional to 3,211,605,837.45, 4,817,302,752.29 and 1,320,736,572.45

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Solution

The fourth proportional to 3,211,605,837.45, 4,817,302,752.29 and 1,320,736,572.45 is: 1,981,061,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,605,837.45 : 4,817,302,752.29 = 1,320,736,572.45 : x
  2. Step 2: Convert to fraction form
    3,211,605,837.45/4,817,302,752.29 = 1,320,736,572.45/x
  3. Step 3: Cross multiply
    3,211,605,837.45x = 4,817,302,752.29 × 1,320,736,572.45
  4. Step 4: Simplify right side
    3,211,605,837.45x = 6,362,387,925,506,842,624
  5. Step 5: Solve for x
    x = 6,362,387,925,506,842,624/3,211,605,837.45
  6. Step 6: Final answer
    x = 1,981,061,265.77

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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.