Home / 767,637,624.60-1,151,456,436.90-276,426,708.30

Finding the Fourth Proportional to 767,637,624.60, 1,151,456,436.90 and 276,426,708.30

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Solution

The fourth proportional to 767,637,624.60, 1,151,456,436.90 and 276,426,708.30 is: 414,640,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,637,624.60 : 1,151,456,436.90 = 276,426,708.30 : x
  2. Step 2: Convert to fraction form
    767,637,624.60/1,151,456,436.90 = 276,426,708.30/x
  3. Step 3: Cross multiply
    767,637,624.60x = 1,151,456,436.90 × 276,426,708.30
  4. Step 4: Simplify right side
    767,637,624.60x = 318,293,312,603,113,728
  5. Step 5: Solve for x
    x = 318,293,312,603,113,728/767,637,624.60
  6. Step 6: Final answer
    x = 414,640,062.45

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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.