Home / 697,039,747.70-1,045,559,621.55-665,295,005.30

Finding the Fourth Proportional to 697,039,747.70, 1,045,559,621.55 and 665,295,005.30

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Solution

The fourth proportional to 697,039,747.70, 1,045,559,621.55 and 665,295,005.30 is: 997,942,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,039,747.70 : 1,045,559,621.55 = 665,295,005.30 : x
  2. Step 2: Convert to fraction form
    697,039,747.70/1,045,559,621.55 = 665,295,005.30/x
  3. Step 3: Cross multiply
    697,039,747.70x = 1,045,559,621.55 × 665,295,005.30
  4. Step 4: Simplify right side
    697,039,747.70x = 695,605,593,960,573,184
  5. Step 5: Solve for x
    x = 695,605,593,960,573,184/697,039,747.70
  6. Step 6: Final answer
    x = 997,942,507.95

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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.