Home / 670,522,101.40-1,005,783,152.10-412,241,775.40

Finding the Fourth Proportional to 670,522,101.40, 1,005,783,152.10 and 412,241,775.40

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Solution

The fourth proportional to 670,522,101.40, 1,005,783,152.10 and 412,241,775.40 is: 618,362,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,522,101.40 : 1,005,783,152.10 = 412,241,775.40 : x
  2. Step 2: Convert to fraction form
    670,522,101.40/1,005,783,152.10 = 412,241,775.40/x
  3. Step 3: Cross multiply
    670,522,101.40x = 1,005,783,152.10 × 412,241,775.40
  4. Step 4: Simplify right side
    670,522,101.40x = 414,625,832,289,112,256
  5. Step 5: Solve for x
    x = 414,625,832,289,112,256/670,522,101.40
  6. Step 6: Final answer
    x = 618,362,663.10

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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.