Home / 755,271,511.64-1,133,028,335.22-318,636,511.48

Finding the Fourth Proportional to 755,271,511.64, 1,133,028,335.22 and 318,636,511.48

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Solution

The fourth proportional to 755,271,511.64, 1,133,028,335.22 and 318,636,511.48 is: 478,005,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,271,511.64 : 1,133,028,335.22 = 318,636,511.48 : x
  2. Step 2: Convert to fraction form
    755,271,511.64/1,133,028,335.22 = 318,636,511.48/x
  3. Step 3: Cross multiply
    755,271,511.64x = 1,133,028,335.22 × 318,636,511.48
  4. Step 4: Simplify right side
    755,271,511.64x = 361,024,196,142,492,864
  5. Step 5: Solve for x
    x = 361,024,196,142,492,864/755,271,511.64
  6. Step 6: Final answer
    x = 478,005,843.70

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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.