Home / 465,780,220,885.80-698,670,331,328.70-306,782,852,200.20

Finding the Fourth Proportional to 465,780,220,885.80, 698,670,331,328.70 and 306,782,852,200.20

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Solution

The fourth proportional to 465,780,220,885.80, 698,670,331,328.70 and 306,782,852,200.20 is: 460,174,278,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,780,220,885.80 : 698,670,331,328.70 = 306,782,852,200.20 : x
  2. Step 2: Convert to fraction form
    465,780,220,885.80/698,670,331,328.70 = 306,782,852,200.20/x
  3. Step 3: Cross multiply
    465,780,220,885.80x = 698,670,331,328.70 × 306,782,852,200.20
  4. Step 4: Simplify right side
    465,780,220,885.80x = 214,340,076,992,677,344,706,560
  5. Step 5: Solve for x
    x = 214,340,076,992,677,344,706,560/465,780,220,885.80
  6. Step 6: Final answer
    x = 460,174,278,300.30

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Double scale
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1.5x scale

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.