Home / 518,178,560.06-715,085,376.17-295,160,157.24

Finding the Fourth Proportional to 518,178,560.06, 715,085,376.17 and 295,160,157.24

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Solution

The fourth proportional to 518,178,560.06, 715,085,376.17 and 295,160,157.24 is: 407,320,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,178,560.06 : 715,085,376.17 = 295,160,157.24 : x
  2. Step 2: Convert to fraction form
    518,178,560.06/715,085,376.17 = 295,160,157.24/x
  3. Step 3: Cross multiply
    518,178,560.06x = 715,085,376.17 × 295,160,157.24
  4. Step 4: Simplify right side
    518,178,560.06x = 211,064,712,068,885,952
  5. Step 5: Solve for x
    x = 211,064,712,068,885,952/518,178,560.06
  6. Step 6: Final answer
    x = 407,320,426.47

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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.