Home / 425,968,005.47-639,154,360.68-295,011,809.00

Finding the Fourth Proportional to 425,968,005.47, 639,154,360.68 and 295,011,809.00

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Solution

The fourth proportional to 425,968,005.47, 639,154,360.68 and 295,011,809.00 is: 442,657,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,968,005.47 : 639,154,360.68 = 295,011,809.00 : x
  2. Step 2: Convert to fraction form
    425,968,005.47/639,154,360.68 = 295,011,809.00/x
  3. Step 3: Cross multiply
    425,968,005.47x = 639,154,360.68 × 295,011,809.00
  4. Step 4: Simplify right side
    425,968,005.47x = 188,558,084,172,540,000
  5. Step 5: Solve for x
    x = 188,558,084,172,540,000/425,968,005.47
  6. Step 6: Final answer
    x = 442,657,856.35

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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.