Home / 743,276,851.06-1,025,431,748.28-425,567,300.25

Finding the Fourth Proportional to 743,276,851.06, 1,025,431,748.28 and 425,567,300.25

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Solution

The fourth proportional to 743,276,851.06, 1,025,431,748.28 and 425,567,300.25 is: 587,116,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,276,851.06 : 1,025,431,748.28 = 425,567,300.25 : x
  2. Step 2: Convert to fraction form
    743,276,851.06/1,025,431,748.28 = 425,567,300.25/x
  3. Step 3: Cross multiply
    743,276,851.06x = 1,025,431,748.28 × 425,567,300.25
  4. Step 4: Simplify right side
    743,276,851.06x = 436,390,220,701,030,016
  5. Step 5: Solve for x
    x = 436,390,220,701,030,016/743,276,851.06
  6. Step 6: Final answer
    x = 587,116,657.92

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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.