Home / 1,047,573,273.29-1,445,686,016.77-571,289,628.90

Finding the Fourth Proportional to 1,047,573,273.29, 1,445,686,016.77 and 571,289,628.90

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Solution

The fourth proportional to 1,047,573,273.29, 1,445,686,016.77 and 571,289,628.90 is: 788,398,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,573,273.29 : 1,445,686,016.77 = 571,289,628.90 : x
  2. Step 2: Convert to fraction form
    1,047,573,273.29/1,445,686,016.77 = 571,289,628.90/x
  3. Step 3: Cross multiply
    1,047,573,273.29x = 1,445,686,016.77 × 571,289,628.90
  4. Step 4: Simplify right side
    1,047,573,273.29x = 825,905,428,026,452,480
  5. Step 5: Solve for x
    x = 825,905,428,026,452,480/1,047,573,273.29
  6. Step 6: Final answer
    x = 788,398,720.25

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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.