Home / 272,097,792,003.80-408,146,688,005.70-166,306,170,474.20

Finding the Fourth Proportional to 272,097,792,003.80, 408,146,688,005.70 and 166,306,170,474.20

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Solution

The fourth proportional to 272,097,792,003.80, 408,146,688,005.70 and 166,306,170,474.20 is: 249,459,255,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,097,792,003.80 : 408,146,688,005.70 = 166,306,170,474.20 : x
  2. Step 2: Convert to fraction form
    272,097,792,003.80/408,146,688,005.70 = 166,306,170,474.20/x
  3. Step 3: Cross multiply
    272,097,792,003.80x = 408,146,688,005.70 × 166,306,170,474.20
  4. Step 4: Simplify right side
    272,097,792,003.80x = 67,877,312,673,956,069,638,144
  5. Step 5: Solve for x
    x = 67,877,312,673,956,069,638,144/272,097,792,003.80
  6. Step 6: Final answer
    x = 249,459,255,711.30

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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.