Home / 939,935,712.04-1,409,026,985.64-317,718,020.04

Finding the Fourth Proportional to 939,935,712.04, 1,409,026,985.64 and 317,718,020.04

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Solution

The fourth proportional to 939,935,712.04, 1,409,026,985.64 and 317,718,020.04 is: 476,280,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,935,712.04 : 1,409,026,985.64 = 317,718,020.04 : x
  2. Step 2: Convert to fraction form
    939,935,712.04/1,409,026,985.64 = 317,718,020.04/x
  3. Step 3: Cross multiply
    939,935,712.04x = 1,409,026,985.64 × 317,718,020.04
  4. Step 4: Simplify right side
    939,935,712.04x = 447,673,264,060,470,400
  5. Step 5: Solve for x
    x = 447,673,264,060,470,400/939,935,712.04
  6. Step 6: Final answer
    x = 476,280,726.78

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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.