Home / 2,696,653,312.80-4,044,979,969.20-856,591,994.40

Finding the Fourth Proportional to 2,696,653,312.80, 4,044,979,969.20 and 856,591,994.40

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Solution

The fourth proportional to 2,696,653,312.80, 4,044,979,969.20 and 856,591,994.40 is: 1,284,887,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,653,312.80 : 4,044,979,969.20 = 856,591,994.40 : x
  2. Step 2: Convert to fraction form
    2,696,653,312.80/4,044,979,969.20 = 856,591,994.40/x
  3. Step 3: Cross multiply
    2,696,653,312.80x = 4,044,979,969.20 × 856,591,994.40
  4. Step 4: Simplify right side
    2,696,653,312.80x = 3,464,897,459,125,078,528
  5. Step 5: Solve for x
    x = 3,464,897,459,125,078,528/2,696,653,312.80
  6. Step 6: Final answer
    x = 1,284,887,991.60

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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.