Home / 426,319,018.75-588,322,017.35-230,748,730.75

Finding the Fourth Proportional to 426,319,018.75, 588,322,017.35 and 230,748,730.75

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Solution

The fourth proportional to 426,319,018.75, 588,322,017.35 and 230,748,730.75 is: 318,434,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,319,018.75 : 588,322,017.35 = 230,748,730.75 : x
  2. Step 2: Convert to fraction form
    426,319,018.75/588,322,017.35 = 230,748,730.75/x
  3. Step 3: Cross multiply
    426,319,018.75x = 588,322,017.35 × 230,748,730.75
  4. Step 4: Simplify right side
    426,319,018.75x = 135,754,558,775,791,984
  5. Step 5: Solve for x
    x = 135,754,558,775,791,984/426,319,018.75
  6. Step 6: Final answer
    x = 318,434,207.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.