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Finding the Fourth Proportional to 245,670,725,096.80, 368,506,087,645.20 and 245,670,725,096.80

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Solution

The fourth proportional to 245,670,725,096.80, 368,506,087,645.20 and 245,670,725,096.80 is: 368,506,087,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,670,725,096.80 : 368,506,087,645.20 = 245,670,725,096.80 : x
  2. Step 2: Convert to fraction form
    245,670,725,096.80/368,506,087,645.20 = 245,670,725,096.80/x
  3. Step 3: Cross multiply
    245,670,725,096.80x = 368,506,087,645.20 × 245,670,725,096.80
  4. Step 4: Simplify right side
    245,670,725,096.80x = 90,531,157,754,381,219,135,488
  5. Step 5: Solve for x
    x = 90,531,157,754,381,219,135,488/245,670,725,096.80
  6. Step 6: Final answer
    x = 368,506,087,645.20

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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.