Home / 434,683,240.80-652,024,861.20-391,685,071.20

Finding the Fourth Proportional to 434,683,240.80, 652,024,861.20 and 391,685,071.20

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Solution

The fourth proportional to 434,683,240.80, 652,024,861.20 and 391,685,071.20 is: 587,527,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,683,240.80 : 652,024,861.20 = 391,685,071.20 : x
  2. Step 2: Convert to fraction form
    434,683,240.80/652,024,861.20 = 391,685,071.20/x
  3. Step 3: Cross multiply
    434,683,240.80x = 652,024,861.20 × 391,685,071.20
  4. Step 4: Simplify right side
    434,683,240.80x = 255,388,404,183,292,128
  5. Step 5: Solve for x
    x = 255,388,404,183,292,128/434,683,240.80
  6. Step 6: Final answer
    x = 587,527,606.80

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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.