Home / 723,064,267.95-984,479,604.13-720,768,442.83

Finding the Fourth Proportional to 723,064,267.95, 984,479,604.13 and 720,768,442.83

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Solution

The fourth proportional to 723,064,267.95, 984,479,604.13 and 720,768,442.83 is: 981,353,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,064,267.95 : 984,479,604.13 = 720,768,442.83 : x
  2. Step 2: Convert to fraction form
    723,064,267.95/984,479,604.13 = 720,768,442.83/x
  3. Step 3: Cross multiply
    723,064,267.95x = 984,479,604.13 × 720,768,442.83
  4. Step 4: Simplify right side
    723,064,267.95x = 709,581,831,266,674,944
  5. Step 5: Solve for x
    x = 709,581,831,266,674,944/723,064,267.95
  6. Step 6: Final answer
    x = 981,353,750.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.