Home / 753,799,255.61-1,040,228,055.56-419,264,581.91

Finding the Fourth Proportional to 753,799,255.61, 1,040,228,055.56 and 419,264,581.91

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Solution

The fourth proportional to 753,799,255.61, 1,040,228,055.56 and 419,264,581.91 is: 578,576,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,799,255.61 : 1,040,228,055.56 = 419,264,581.91 : x
  2. Step 2: Convert to fraction form
    753,799,255.61/1,040,228,055.56 = 419,264,581.91/x
  3. Step 3: Cross multiply
    753,799,255.61x = 1,040,228,055.56 × 419,264,581.91
  4. Step 4: Simplify right side
    753,799,255.61x = 436,130,780,803,319,360
  5. Step 5: Solve for x
    x = 436,130,780,803,319,360/753,799,255.61
  6. Step 6: Final answer
    x = 578,576,826.07

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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.