Home / 575,455,280.40-863,182,920.60-211,902,397.20

Finding the Fourth Proportional to 575,455,280.40, 863,182,920.60 and 211,902,397.20

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Solution

The fourth proportional to 575,455,280.40, 863,182,920.60 and 211,902,397.20 is: 317,853,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,455,280.40 : 863,182,920.60 = 211,902,397.20 : x
  2. Step 2: Convert to fraction form
    575,455,280.40/863,182,920.60 = 211,902,397.20/x
  3. Step 3: Cross multiply
    575,455,280.40x = 863,182,920.60 × 211,902,397.20
  4. Step 4: Simplify right side
    575,455,280.40x = 182,910,530,097,237,248
  5. Step 5: Solve for x
    x = 182,910,530,097,237,248/575,455,280.40
  6. Step 6: Final answer
    x = 317,853,595.80

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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.