Home / 563,443,055.42-845,164,609.42-386,005,228.14

Finding the Fourth Proportional to 563,443,055.42, 845,164,609.42 and 386,005,228.14

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Solution

The fourth proportional to 563,443,055.42, 845,164,609.42 and 386,005,228.14 is: 579,007,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,443,055.42 : 845,164,609.42 = 386,005,228.14 : x
  2. Step 2: Convert to fraction form
    563,443,055.42/845,164,609.42 = 386,005,228.14/x
  3. Step 3: Cross multiply
    563,443,055.42x = 845,164,609.42 × 386,005,228.14
  4. Step 4: Simplify right side
    563,443,055.42x = 326,237,957,879,035,776
  5. Step 5: Solve for x
    x = 326,237,957,879,035,776/563,443,055.42
  6. Step 6: Final answer
    x = 579,007,860.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.