Home / 1,019,343,418.82-1,405,897,002.99-662,226,257.96

Finding the Fourth Proportional to 1,019,343,418.82, 1,405,897,002.99 and 662,226,257.96

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Solution

The fourth proportional to 1,019,343,418.82, 1,405,897,002.99 and 662,226,257.96 is: 913,354,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,343,418.82 : 1,405,897,002.99 = 662,226,257.96 : x
  2. Step 2: Convert to fraction form
    1,019,343,418.82/1,405,897,002.99 = 662,226,257.96/x
  3. Step 3: Cross multiply
    1,019,343,418.82x = 1,405,897,002.99 × 662,226,257.96
  4. Step 4: Simplify right side
    1,019,343,418.82x = 931,021,911,360,217,216
  5. Step 5: Solve for x
    x = 931,021,911,360,217,216/1,019,343,418.82
  6. Step 6: Final answer
    x = 913,354,512.50

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1.5x scale

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.