Home / 708,593,124.70-1,062,889,687.05-605,280,994.30

Finding the Fourth Proportional to 708,593,124.70, 1,062,889,687.05 and 605,280,994.30

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Solution

The fourth proportional to 708,593,124.70, 1,062,889,687.05 and 605,280,994.30 is: 907,921,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,593,124.70 : 1,062,889,687.05 = 605,280,994.30 : x
  2. Step 2: Convert to fraction form
    708,593,124.70/1,062,889,687.05 = 605,280,994.30/x
  3. Step 3: Cross multiply
    708,593,124.70x = 1,062,889,687.05 × 605,280,994.30
  4. Step 4: Simplify right side
    708,593,124.70x = 643,346,926,608,839,808
  5. Step 5: Solve for x
    x = 643,346,926,608,839,808/708,593,124.70
  6. Step 6: Final answer
    x = 907,921,491.45

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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.