Home / 898,429,487.90-1,348,652,001.45-694,860,028.70

Finding the Fourth Proportional to 898,429,487.90, 1,348,652,001.45 and 694,860,028.70

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Solution

The fourth proportional to 898,429,487.90, 1,348,652,001.45 and 694,860,028.70 is: 1,043,069,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,429,487.90 : 1,348,652,001.45 = 694,860,028.70 : x
  2. Step 2: Convert to fraction form
    898,429,487.90/1,348,652,001.45 = 694,860,028.70/x
  3. Step 3: Cross multiply
    898,429,487.90x = 1,348,652,001.45 × 694,860,028.70
  4. Step 4: Simplify right side
    898,429,487.90x = 937,124,368,433,859,584
  5. Step 5: Solve for x
    x = 937,124,368,433,859,584/898,429,487.90
  6. Step 6: Final answer
    x = 1,043,069,468.51

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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.