Home / 1,038,962,531.22-1,560,930,018.95-666,200,741.64

Finding the Fourth Proportional to 1,038,962,531.22, 1,560,930,018.95 and 666,200,741.64

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Solution

The fourth proportional to 1,038,962,531.22, 1,560,930,018.95 and 666,200,741.64 is: 1,000,895,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,962,531.22 : 1,560,930,018.95 = 666,200,741.64 : x
  2. Step 2: Convert to fraction form
    1,038,962,531.22/1,560,930,018.95 = 666,200,741.64/x
  3. Step 3: Cross multiply
    1,038,962,531.22x = 1,560,930,018.95 × 666,200,741.64
  4. Step 4: Simplify right side
    1,038,962,531.22x = 1,039,892,736,269,298,176
  5. Step 5: Solve for x
    x = 1,039,892,736,269,298,176/1,038,962,531.22
  6. Step 6: Final answer
    x = 1,000,895,321.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.