Home / 256,468,312.20-384,739,793.10-83,903,320.20

Finding the Fourth Proportional to 256,468,312.20, 384,739,793.10 and 83,903,320.20

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Solution

The fourth proportional to 256,468,312.20, 384,739,793.10 and 83,903,320.20 is: 125,867,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,468,312.20 : 384,739,793.10 = 83,903,320.20 : x
  2. Step 2: Convert to fraction form
    256,468,312.20/384,739,793.10 = 83,903,320.20/x
  3. Step 3: Cross multiply
    256,468,312.20x = 384,739,793.10 × 83,903,320.20
  4. Step 4: Simplify right side
    256,468,312.20x = 32,280,946,054,151,052
  5. Step 5: Solve for x
    x = 32,280,946,054,151,052/256,468,312.20
  6. Step 6: Final answer
    x = 125,867,191.07

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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.