Home / 1,403,719,244.72-1,937,162,112.60-768,666,407.60

Finding the Fourth Proportional to 1,403,719,244.72, 1,937,162,112.60 and 768,666,407.60

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Solution

The fourth proportional to 1,403,719,244.72, 1,937,162,112.60 and 768,666,407.60 is: 1,060,775,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,719,244.72 : 1,937,162,112.60 = 768,666,407.60 : x
  2. Step 2: Convert to fraction form
    1,403,719,244.72/1,937,162,112.60 = 768,666,407.60/x
  3. Step 3: Cross multiply
    1,403,719,244.72x = 1,937,162,112.60 × 768,666,407.60
  4. Step 4: Simplify right side
    1,403,719,244.72x = 1,489,031,442,031,068,672
  5. Step 5: Solve for x
    x = 1,489,031,442,031,068,672/1,403,719,244.72
  6. Step 6: Final answer
    x = 1,060,775,826.53

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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.