Home / 713,655,445.12-1,070,534,761.74-298,714,948.24

Finding the Fourth Proportional to 713,655,445.12, 1,070,534,761.74 and 298,714,948.24

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Solution

The fourth proportional to 713,655,445.12, 1,070,534,761.74 and 298,714,948.24 is: 448,094,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,655,445.12 : 1,070,534,761.74 = 298,714,948.24 : x
  2. Step 2: Convert to fraction form
    713,655,445.12/1,070,534,761.74 = 298,714,948.24/x
  3. Step 3: Cross multiply
    713,655,445.12x = 1,070,534,761.74 × 298,714,948.24
  4. Step 4: Simplify right side
    713,655,445.12x = 319,784,735,942,284,864
  5. Step 5: Solve for x
    x = 319,784,735,942,284,864/713,655,445.12
  6. Step 6: Final answer
    x = 448,094,018.10

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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.