Home / 1,571,359,820.74-2,168,528,901.82-856,934,354.14

Finding the Fourth Proportional to 1,571,359,820.74, 2,168,528,901.82 and 856,934,354.14

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Solution

The fourth proportional to 1,571,359,820.74, 2,168,528,901.82 and 856,934,354.14 is: 1,182,597,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,359,820.74 : 2,168,528,901.82 = 856,934,354.14 : x
  2. Step 2: Convert to fraction form
    1,571,359,820.74/2,168,528,901.82 = 856,934,354.14/x
  3. Step 3: Cross multiply
    1,571,359,820.74x = 2,168,528,901.82 × 856,934,354.14
  4. Step 4: Simplify right side
    1,571,359,820.74x = 1,858,286,913,907,481,600
  5. Step 5: Solve for x
    x = 1,858,286,913,907,481,600/1,571,359,820.74
  6. Step 6: Final answer
    x = 1,182,597,957.12

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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.