Home / 287,214,824,771.20-430,822,237,156.80-88,442,285,881.60

Finding the Fourth Proportional to 287,214,824,771.20, 430,822,237,156.80 and 88,442,285,881.60

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Solution

The fourth proportional to 287,214,824,771.20, 430,822,237,156.80 and 88,442,285,881.60 is: 132,663,428,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,214,824,771.20 : 430,822,237,156.80 = 88,442,285,881.60 : x
  2. Step 2: Convert to fraction form
    287,214,824,771.20/430,822,237,156.80 = 88,442,285,881.60/x
  3. Step 3: Cross multiply
    287,214,824,771.20x = 430,822,237,156.80 × 88,442,285,881.60
  4. Step 4: Simplify right side
    287,214,824,771.20x = 38,102,903,462,772,177,108,992
  5. Step 5: Solve for x
    x = 38,102,903,462,772,177,108,992/287,214,824,771.20
  6. Step 6: Final answer
    x = 132,663,428,822.40

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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.