Home / 880,240,337.51-1,214,743,509.99-478,362,063.61

Finding the Fourth Proportional to 880,240,337.51, 1,214,743,509.99 and 478,362,063.61

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Solution

The fourth proportional to 880,240,337.51, 1,214,743,509.99 and 478,362,063.61 is: 660,146,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,240,337.51 : 1,214,743,509.99 = 478,362,063.61 : x
  2. Step 2: Convert to fraction form
    880,240,337.51/1,214,743,509.99 = 478,362,063.61/x
  3. Step 3: Cross multiply
    880,240,337.51x = 1,214,743,509.99 × 478,362,063.61
  4. Step 4: Simplify right side
    880,240,337.51x = 581,087,212,190,362,624
  5. Step 5: Solve for x
    x = 581,087,212,190,362,624/880,240,337.51
  6. Step 6: Final answer
    x = 660,146,084.46

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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.