Home / 1,047,573,143.21-1,445,685,837.22-571,289,498.88

Finding the Fourth Proportional to 1,047,573,143.21, 1,445,685,837.22 and 571,289,498.88

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Solution

The fourth proportional to 1,047,573,143.21, 1,445,685,837.22 and 571,289,498.88 is: 788,398,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,573,143.21 : 1,445,685,837.22 = 571,289,498.88 : x
  2. Step 2: Convert to fraction form
    1,047,573,143.21/1,445,685,837.22 = 571,289,498.88/x
  3. Step 3: Cross multiply
    1,047,573,143.21x = 1,445,685,837.22 × 571,289,498.88
  4. Step 4: Simplify right side
    1,047,573,143.21x = 825,905,137,478,648,320
  5. Step 5: Solve for x
    x = 825,905,137,478,648,320/1,047,573,143.21
  6. Step 6: Final answer
    x = 788,398,540.79

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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.