Home / 434,683,816.80-652,025,725.20-391,685,647.20

Finding the Fourth Proportional to 434,683,816.80, 652,025,725.20 and 391,685,647.20

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Solution

The fourth proportional to 434,683,816.80, 652,025,725.20 and 391,685,647.20 is: 587,528,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,683,816.80 : 652,025,725.20 = 391,685,647.20 : x
  2. Step 2: Convert to fraction form
    434,683,816.80/652,025,725.20 = 391,685,647.20/x
  3. Step 3: Cross multiply
    434,683,816.80x = 652,025,725.20 × 391,685,647.20
  4. Step 4: Simplify right side
    434,683,816.80x = 255,389,118,166,011,360
  5. Step 5: Solve for x
    x = 255,389,118,166,011,360/434,683,816.80
  6. Step 6: Final answer
    x = 587,528,470.80

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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.