Home / 510,019,816.60-766,730,336.10-435,192,923.80

Finding the Fourth Proportional to 510,019,816.60, 766,730,336.10 and 435,192,923.80

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Solution

The fourth proportional to 510,019,816.60, 766,730,336.10 and 435,192,923.80 is: 654,240,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,019,816.60 : 766,730,336.10 = 435,192,923.80 : x
  2. Step 2: Convert to fraction form
    510,019,816.60/766,730,336.10 = 435,192,923.80/x
  3. Step 3: Cross multiply
    510,019,816.60x = 766,730,336.10 × 435,192,923.80
  4. Step 4: Simplify right side
    510,019,816.60x = 333,675,616,733,515,712
  5. Step 5: Solve for x
    x = 333,675,616,733,515,712/510,019,816.60
  6. Step 6: Final answer
    x = 654,240,493.94

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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.