Home / 913,557,002.11-1,260,676,043.75-517,071,479.01

Finding the Fourth Proportional to 913,557,002.11, 1,260,676,043.75 and 517,071,479.01

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Solution

The fourth proportional to 913,557,002.11, 1,260,676,043.75 and 517,071,479.01 is: 713,540,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,557,002.11 : 1,260,676,043.75 = 517,071,479.01 : x
  2. Step 2: Convert to fraction form
    913,557,002.11/1,260,676,043.75 = 517,071,479.01/x
  3. Step 3: Cross multiply
    913,557,002.11x = 1,260,676,043.75 × 517,071,479.01
  4. Step 4: Simplify right side
    913,557,002.11x = 651,859,626,492,995,200
  5. Step 5: Solve for x
    x = 651,859,626,492,995,200/913,557,002.11
  6. Step 6: Final answer
    x = 713,540,178.65

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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.