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Finding the Fourth Proportional to 549,996,802.11, 825,358,659.21 and 258,947,159.45

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Solution

The fourth proportional to 549,996,802.11, 825,358,659.21 and 258,947,159.45 is: 388,591,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,996,802.11 : 825,358,659.21 = 258,947,159.45 : x
  2. Step 2: Convert to fraction form
    549,996,802.11/825,358,659.21 = 258,947,159.45/x
  3. Step 3: Cross multiply
    549,996,802.11x = 825,358,659.21 × 258,947,159.45
  4. Step 4: Simplify right side
    549,996,802.11x = 213,724,280,325,763,296
  5. Step 5: Solve for x
    x = 213,724,280,325,763,296/549,996,802.11
  6. Step 6: Final answer
    x = 388,591,860.00

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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.