Home / 1,941,327,810.40-2,911,991,715.60-776,976,008.80

Finding the Fourth Proportional to 1,941,327,810.40, 2,911,991,715.60 and 776,976,008.80

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Solution

The fourth proportional to 1,941,327,810.40, 2,911,991,715.60 and 776,976,008.80 is: 1,165,464,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,327,810.40 : 2,911,991,715.60 = 776,976,008.80 : x
  2. Step 2: Convert to fraction form
    1,941,327,810.40/2,911,991,715.60 = 776,976,008.80/x
  3. Step 3: Cross multiply
    1,941,327,810.40x = 2,911,991,715.60 × 776,976,008.80
  4. Step 4: Simplify right side
    1,941,327,810.40x = 2,262,547,700,845,552,384
  5. Step 5: Solve for x
    x = 2,262,547,700,845,552,384/1,941,327,810.40
  6. Step 6: Final answer
    x = 1,165,464,013.20

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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.