Home / 684,359,482.49-1,026,129,276.25-217,819,385.81

Finding the Fourth Proportional to 684,359,482.49, 1,026,129,276.25 and 217,819,385.81

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Solution

The fourth proportional to 684,359,482.49, 1,026,129,276.25 and 217,819,385.81 is: 326,598,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,359,482.49 : 1,026,129,276.25 = 217,819,385.81 : x
  2. Step 2: Convert to fraction form
    684,359,482.49/1,026,129,276.25 = 217,819,385.81/x
  3. Step 3: Cross multiply
    684,359,482.49x = 1,026,129,276.25 × 217,819,385.81
  4. Step 4: Simplify right side
    684,359,482.49x = 223,510,848,713,827,424
  5. Step 5: Solve for x
    x = 223,510,848,713,827,424/684,359,482.49
  6. Step 6: Final answer
    x = 326,598,599.76

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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.