Home / 571,512,575,341.90-857,268,862,717.56-213,392,516,250.86

Finding the Fourth Proportional to 571,512,575,341.90, 857,268,862,717.56 and 213,392,516,250.86

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Solution

The fourth proportional to 571,512,575,341.90, 857,268,862,717.56 and 213,392,516,250.86 is: 320,088,774,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,512,575,341.90 : 857,268,862,717.56 = 213,392,516,250.86 : x
  2. Step 2: Convert to fraction form
    571,512,575,341.90/857,268,862,717.56 = 213,392,516,250.86/x
  3. Step 3: Cross multiply
    571,512,575,341.90x = 857,268,862,717.56 × 213,392,516,250.86
  4. Step 4: Simplify right side
    571,512,575,341.90x = 182,934,759,718,813,190,586,368
  5. Step 5: Solve for x
    x = 182,934,759,718,813,190,586,368/571,512,575,341.90
  6. Step 6: Final answer
    x = 320,088,774,266.03

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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.