Home / 679,197,705.63-937,287,199.44-381,841,273.28

Finding the Fourth Proportional to 679,197,705.63, 937,287,199.44 and 381,841,273.28

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Solution

The fourth proportional to 679,197,705.63, 937,287,199.44 and 381,841,273.28 is: 526,937,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,197,705.63 : 937,287,199.44 = 381,841,273.28 : x
  2. Step 2: Convert to fraction form
    679,197,705.63/937,287,199.44 = 381,841,273.28/x
  3. Step 3: Cross multiply
    679,197,705.63x = 937,287,199.44 × 381,841,273.28
  4. Step 4: Simplify right side
    679,197,705.63x = 357,894,937,658,528,448
  5. Step 5: Solve for x
    x = 357,894,937,658,528,448/679,197,705.63
  6. Step 6: Final answer
    x = 526,937,789.53

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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.