Home / 939,935,713.04-1,409,026,987.14-317,718,021.04

Finding the Fourth Proportional to 939,935,713.04, 1,409,026,987.14 and 317,718,021.04

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Solution

The fourth proportional to 939,935,713.04, 1,409,026,987.14 and 317,718,021.04 is: 476,280,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,935,713.04 : 1,409,026,987.14 = 317,718,021.04 : x
  2. Step 2: Convert to fraction form
    939,935,713.04/1,409,026,987.14 = 317,718,021.04/x
  3. Step 3: Cross multiply
    939,935,713.04x = 1,409,026,987.14 × 317,718,021.04
  4. Step 4: Simplify right side
    939,935,713.04x = 447,673,265,946,074,368
  5. Step 5: Solve for x
    x = 447,673,265,946,074,368/939,935,713.04
  6. Step 6: Final answer
    x = 476,280,728.28

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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.