Home / 771,774,089.28-1,157,010,325.60-334,745,616.84

Finding the Fourth Proportional to 771,774,089.28, 1,157,010,325.60 and 334,745,616.84

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Solution

The fourth proportional to 771,774,089.28, 1,157,010,325.60 and 334,745,616.84 is: 501,836,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,774,089.28 : 1,157,010,325.60 = 334,745,616.84 : x
  2. Step 2: Convert to fraction form
    771,774,089.28/1,157,010,325.60 = 334,745,616.84/x
  3. Step 3: Cross multiply
    771,774,089.28x = 1,157,010,325.60 × 334,745,616.84
  4. Step 4: Simplify right side
    771,774,089.28x = 387,304,135,133,221,184
  5. Step 5: Solve for x
    x = 387,304,135,133,221,184/771,774,089.28
  6. Step 6: Final answer
    x = 501,836,146.76

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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.