Home / 2,859,013,075.20-4,288,519,612.80-788,731,515.60

Finding the Fourth Proportional to 2,859,013,075.20, 4,288,519,612.80 and 788,731,515.60

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Solution

The fourth proportional to 2,859,013,075.20, 4,288,519,612.80 and 788,731,515.60 is: 1,183,097,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,013,075.20 : 4,288,519,612.80 = 788,731,515.60 : x
  2. Step 2: Convert to fraction form
    2,859,013,075.20/4,288,519,612.80 = 788,731,515.60/x
  3. Step 3: Cross multiply
    2,859,013,075.20x = 4,288,519,612.80 × 788,731,515.60
  4. Step 4: Simplify right side
    2,859,013,075.20x = 3,382,490,573,884,069,376
  5. Step 5: Solve for x
    x = 3,382,490,573,884,069,376/2,859,013,075.20
  6. Step 6: Final answer
    x = 1,183,097,273.40

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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.