Home / 478,956,694,158.03-660,915,025,113.90-286,230,497,857.23

Finding the Fourth Proportional to 478,956,694,158.03, 660,915,025,113.90 and 286,230,497,857.23

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Solution

The fourth proportional to 478,956,694,158.03, 660,915,025,113.90 and 286,230,497,857.23 is: 394,971,067,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,956,694,158.03 : 660,915,025,113.90 = 286,230,497,857.23 : x
  2. Step 2: Convert to fraction form
    478,956,694,158.03/660,915,025,113.90 = 286,230,497,857.23/x
  3. Step 3: Cross multiply
    478,956,694,158.03x = 660,915,025,113.90 × 286,230,497,857.23
  4. Step 4: Simplify right side
    478,956,694,158.03x = 189,174,036,679,675,252,572,160
  5. Step 5: Solve for x
    x = 189,174,036,679,675,252,572,160/478,956,694,158.03
  6. Step 6: Final answer
    x = 394,971,067,294.99

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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.