Home / 931,163,330.16-1,396,853,052.12-309,434,047.92

Finding the Fourth Proportional to 931,163,330.16, 1,396,853,052.12 and 309,434,047.92

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Solution

The fourth proportional to 931,163,330.16, 1,396,853,052.12 and 309,434,047.92 is: 464,186,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,163,330.16 : 1,396,853,052.12 = 309,434,047.92 : x
  2. Step 2: Convert to fraction form
    931,163,330.16/1,396,853,052.12 = 309,434,047.92/x
  3. Step 3: Cross multiply
    931,163,330.16x = 1,396,853,052.12 × 309,434,047.92
  4. Step 4: Simplify right side
    931,163,330.16x = 432,233,894,266,898,304
  5. Step 5: Solve for x
    x = 432,233,894,266,898,304/931,163,330.16
  6. Step 6: Final answer
    x = 464,186,980.16

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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.