Home / 2,657,218,400.40-3,985,827,600.60-816,731,929.20

Finding the Fourth Proportional to 2,657,218,400.40, 3,985,827,600.60 and 816,731,929.20

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Solution

The fourth proportional to 2,657,218,400.40, 3,985,827,600.60 and 816,731,929.20 is: 1,225,097,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,218,400.40 : 3,985,827,600.60 = 816,731,929.20 : x
  2. Step 2: Convert to fraction form
    2,657,218,400.40/3,985,827,600.60 = 816,731,929.20/x
  3. Step 3: Cross multiply
    2,657,218,400.40x = 3,985,827,600.60 × 816,731,929.20
  4. Step 4: Simplify right side
    2,657,218,400.40x = 3,255,352,665,696,645,120
  5. Step 5: Solve for x
    x = 3,255,352,665,696,645,120/2,657,218,400.40
  6. Step 6: Final answer
    x = 1,225,097,893.80

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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.