Home / 459,039,870.24-688,826,543.67-193,126,101.81

Finding the Fourth Proportional to 459,039,870.24, 688,826,543.67 and 193,126,101.81

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Solution

The fourth proportional to 459,039,870.24, 688,826,543.67 and 193,126,101.81 is: 289,801,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,039,870.24 : 688,826,543.67 = 193,126,101.81 : x
  2. Step 2: Convert to fraction form
    459,039,870.24/688,826,543.67 = 193,126,101.81/x
  3. Step 3: Cross multiply
    459,039,870.24x = 688,826,543.67 × 193,126,101.81
  4. Step 4: Simplify right side
    459,039,870.24x = 133,030,385,202,242,832
  5. Step 5: Solve for x
    x = 133,030,385,202,242,832/459,039,870.24
  6. Step 6: Final answer
    x = 289,801,374.19

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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.