Home / 453,276,355.80-679,914,533.70-354,640,906.20

Finding the Fourth Proportional to 453,276,355.80, 679,914,533.70 and 354,640,906.20

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Solution

The fourth proportional to 453,276,355.80, 679,914,533.70 and 354,640,906.20 is: 531,961,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,276,355.80 : 679,914,533.70 = 354,640,906.20 : x
  2. Step 2: Convert to fraction form
    453,276,355.80/679,914,533.70 = 354,640,906.20/x
  3. Step 3: Cross multiply
    453,276,355.80x = 679,914,533.70 × 354,640,906.20
  4. Step 4: Simplify right side
    453,276,355.80x = 241,125,506,369,918,432
  5. Step 5: Solve for x
    x = 241,125,506,369,918,432/453,276,355.80
  6. Step 6: Final answer
    x = 531,961,359.30

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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.