Home / 874,821,507.64-1,312,233,524.40-357,251,948.12

Finding the Fourth Proportional to 874,821,507.64, 1,312,233,524.40 and 357,251,948.12

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Solution

The fourth proportional to 874,821,507.64, 1,312,233,524.40 and 357,251,948.12 is: 535,878,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,821,507.64 : 1,312,233,524.40 = 357,251,948.12 : x
  2. Step 2: Convert to fraction form
    874,821,507.64/1,312,233,524.40 = 357,251,948.12/x
  3. Step 3: Cross multiply
    874,821,507.64x = 1,312,233,524.40 × 357,251,948.12
  4. Step 4: Simplify right side
    874,821,507.64x = 468,797,982,973,712,448
  5. Step 5: Solve for x
    x = 468,797,982,973,712,448/874,821,507.64
  6. Step 6: Final answer
    x = 535,878,437.92

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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.