Home / 863,260,100.84-1,191,298,099.34-466,782,141.62

Finding the Fourth Proportional to 863,260,100.84, 1,191,298,099.34 and 466,782,141.62

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Solution

The fourth proportional to 863,260,100.84, 1,191,298,099.34 and 466,782,141.62 is: 644,158,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,260,100.84 : 1,191,298,099.34 = 466,782,141.62 : x
  2. Step 2: Convert to fraction form
    863,260,100.84/1,191,298,099.34 = 466,782,141.62/x
  3. Step 3: Cross multiply
    863,260,100.84x = 1,191,298,099.34 × 466,782,141.62
  4. Step 4: Simplify right side
    863,260,100.84x = 556,076,678,121,905,920
  5. Step 5: Solve for x
    x = 556,076,678,121,905,920/863,260,100.84
  6. Step 6: Final answer
    x = 644,158,901.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.