Home / 713,655,514.17-1,070,534,865.08-298,715,017.28

Finding the Fourth Proportional to 713,655,514.17, 1,070,534,865.08 and 298,715,017.28

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Solution

The fourth proportional to 713,655,514.17, 1,070,534,865.08 and 298,715,017.28 is: 448,094,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,655,514.17 : 1,070,534,865.08 = 298,715,017.28 : x
  2. Step 2: Convert to fraction form
    713,655,514.17/1,070,534,865.08 = 298,715,017.28/x
  3. Step 3: Cross multiply
    713,655,514.17x = 1,070,534,865.08 × 298,715,017.28
  4. Step 4: Simplify right side
    713,655,514.17x = 319,784,840,714,368,384
  5. Step 5: Solve for x
    x = 319,784,840,714,368,384/713,655,514.17
  6. Step 6: Final answer
    x = 448,094,121.55

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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.