Home / 646,593,931.01-969,228,318.44-490,817,972.88

Finding the Fourth Proportional to 646,593,931.01, 969,228,318.44 and 490,817,972.88

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Solution

The fourth proportional to 646,593,931.01, 969,228,318.44 and 490,817,972.88 is: 735,724,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,593,931.01 : 969,228,318.44 = 490,817,972.88 : x
  2. Step 2: Convert to fraction form
    646,593,931.01/969,228,318.44 = 490,817,972.88/x
  3. Step 3: Cross multiply
    646,593,931.01x = 969,228,318.44 × 490,817,972.88
  4. Step 4: Simplify right side
    646,593,931.01x = 475,714,678,512,157,824
  5. Step 5: Solve for x
    x = 475,714,678,512,157,824/646,593,931.01
  6. Step 6: Final answer
    x = 735,724,008.07

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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.