Home / 1,047,573,274.29-1,445,686,018.15-571,289,629.90

Finding the Fourth Proportional to 1,047,573,274.29, 1,445,686,018.15 and 571,289,629.90

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Solution

The fourth proportional to 1,047,573,274.29, 1,445,686,018.15 and 571,289,629.90 is: 788,398,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,573,274.29 : 1,445,686,018.15 = 571,289,629.90 : x
  2. Step 2: Convert to fraction form
    1,047,573,274.29/1,445,686,018.15 = 571,289,629.90/x
  3. Step 3: Cross multiply
    1,047,573,274.29x = 1,445,686,018.15 × 571,289,629.90
  4. Step 4: Simplify right side
    1,047,573,274.29x = 825,905,430,260,518,144
  5. Step 5: Solve for x
    x = 825,905,430,260,518,144/1,047,573,274.29
  6. Step 6: Final answer
    x = 788,398,721.63

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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.