Home / 528,439,931.40-792,659,897.10-332,019,337.80

Finding the Fourth Proportional to 528,439,931.40, 792,659,897.10 and 332,019,337.80

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Solution

The fourth proportional to 528,439,931.40, 792,659,897.10 and 332,019,337.80 is: 498,029,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,439,931.40 : 792,659,897.10 = 332,019,337.80 : x
  2. Step 2: Convert to fraction form
    528,439,931.40/792,659,897.10 = 332,019,337.80/x
  3. Step 3: Cross multiply
    528,439,931.40x = 792,659,897.10 × 332,019,337.80
  4. Step 4: Simplify right side
    528,439,931.40x = 263,178,414,135,758,144
  5. Step 5: Solve for x
    x = 263,178,414,135,758,144/528,439,931.40
  6. Step 6: Final answer
    x = 498,029,006.70

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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.