Home / 898,429,498.40-1,348,652,017.20-694,860,039.20

Finding the Fourth Proportional to 898,429,498.40, 1,348,652,017.20 and 694,860,039.20

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Solution

The fourth proportional to 898,429,498.40, 1,348,652,017.20 and 694,860,039.20 is: 1,043,069,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,429,498.40 : 1,348,652,017.20 = 694,860,039.20 : x
  2. Step 2: Convert to fraction form
    898,429,498.40/1,348,652,017.20 = 694,860,039.20/x
  3. Step 3: Cross multiply
    898,429,498.40x = 1,348,652,017.20 × 694,860,039.20
  4. Step 4: Simplify right side
    898,429,498.40x = 937,124,393,538,751,232
  5. Step 5: Solve for x
    x = 937,124,393,538,751,232/898,429,498.40
  6. Step 6: Final answer
    x = 1,043,069,484.26

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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.