Home / 644,580,441.60-966,870,662.40-556,904,486.40

Finding the Fourth Proportional to 644,580,441.60, 966,870,662.40 and 556,904,486.40

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Solution

The fourth proportional to 644,580,441.60, 966,870,662.40 and 556,904,486.40 is: 835,356,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,580,441.60 : 966,870,662.40 = 556,904,486.40 : x
  2. Step 2: Convert to fraction form
    644,580,441.60/966,870,662.40 = 556,904,486.40/x
  3. Step 3: Cross multiply
    644,580,441.60x = 966,870,662.40 × 556,904,486.40
  4. Step 4: Simplify right side
    644,580,441.60x = 538,454,609,659,099,776
  5. Step 5: Solve for x
    x = 538,454,609,659,099,776/644,580,441.60
  6. Step 6: Final answer
    x = 835,356,729.60

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Double scale
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Similar ratio
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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.