Home / 478,465,063-660,282,052.62-258,448,491.16

Finding the Fourth Proportional to 478,465,063, 660,282,052.62 and 258,448,491.16

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Solution

The fourth proportional to 478,465,063, 660,282,052.62 and 258,448,491.16 is: 356,659,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,465,063 : 660,282,052.62 = 258,448,491.16 : x
  2. Step 2: Convert to fraction form
    478,465,063/660,282,052.62 = 258,448,491.16/x
  3. Step 3: Cross multiply
    478,465,063x = 660,282,052.62 × 258,448,491.16
  4. Step 4: Simplify right side
    478,465,063x = 170,648,900,239,666,720
  5. Step 5: Solve for x
    x = 170,648,900,239,666,720/478,465,063
  6. Step 6: Final answer
    x = 356,659,061.31

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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.