Home / 459,926,987.68-634,696,014.21-251,083,130.32

Finding the Fourth Proportional to 459,926,987.68, 634,696,014.21 and 251,083,130.32

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Solution

The fourth proportional to 459,926,987.68, 634,696,014.21 and 251,083,130.32 is: 346,492,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,926,987.68 : 634,696,014.21 = 251,083,130.32 : x
  2. Step 2: Convert to fraction form
    459,926,987.68/634,696,014.21 = 251,083,130.32/x
  3. Step 3: Cross multiply
    459,926,987.68x = 634,696,014.21 × 251,083,130.32
  4. Step 4: Simplify right side
    459,926,987.68x = 159,361,462,049,474,016
  5. Step 5: Solve for x
    x = 159,361,462,049,474,016/459,926,987.68
  6. Step 6: Final answer
    x = 346,492,957.18

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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.