Home / 459,926,988.18-634,696,014.90-251,083,130.82

Finding the Fourth Proportional to 459,926,988.18, 634,696,014.90 and 251,083,130.82

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Solution

The fourth proportional to 459,926,988.18, 634,696,014.90 and 251,083,130.82 is: 346,492,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,926,988.18 : 634,696,014.90 = 251,083,130.82 : x
  2. Step 2: Convert to fraction form
    459,926,988.18/634,696,014.90 = 251,083,130.82/x
  3. Step 3: Cross multiply
    459,926,988.18x = 634,696,014.90 × 251,083,130.82
  4. Step 4: Simplify right side
    459,926,988.18x = 159,361,462,540,069,344
  5. Step 5: Solve for x
    x = 159,361,462,540,069,344/459,926,988.18
  6. Step 6: Final answer
    x = 346,492,957.87

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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.