Home / 1,398,209,591.34-2,097,080,552.94-512,711,968.32

Finding the Fourth Proportional to 1,398,209,591.34, 2,097,080,552.94 and 512,711,968.32

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Solution

The fourth proportional to 1,398,209,591.34, 2,097,080,552.94 and 512,711,968.32 is: 768,982,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,209,591.34 : 2,097,080,552.94 = 512,711,968.32 : x
  2. Step 2: Convert to fraction form
    1,398,209,591.34/2,097,080,552.94 = 512,711,968.32/x
  3. Step 3: Cross multiply
    1,398,209,591.34x = 2,097,080,552.94 × 512,711,968.32
  4. Step 4: Simplify right side
    1,398,209,591.34x = 1,075,198,298,023,461,376
  5. Step 5: Solve for x
    x = 1,075,198,298,023,461,376/1,398,209,591.34
  6. Step 6: Final answer
    x = 768,982,207.45

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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.