Home / 1,417,620,905.40-2,125,793,628.90-543,931,901.40

Finding the Fourth Proportional to 1,417,620,905.40, 2,125,793,628.90 and 543,931,901.40

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Solution

The fourth proportional to 1,417,620,905.40, 2,125,793,628.90 and 543,931,901.40 is: 815,653,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,620,905.40 : 2,125,793,628.90 = 543,931,901.40 : x
  2. Step 2: Convert to fraction form
    1,417,620,905.40/2,125,793,628.90 = 543,931,901.40/x
  3. Step 3: Cross multiply
    1,417,620,905.40x = 2,125,793,628.90 × 543,931,901.40
  4. Step 4: Simplify right side
    1,417,620,905.40x = 1,156,286,970,551,582,976
  5. Step 5: Solve for x
    x = 1,156,286,970,551,582,976/1,417,620,905.40
  6. Step 6: Final answer
    x = 815,653,159.56

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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.