Home / 537,875,965.78-742,611,551.31-438,992,584.20

Finding the Fourth Proportional to 537,875,965.78, 742,611,551.31 and 438,992,584.20

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Solution

The fourth proportional to 537,875,965.78, 742,611,551.31 and 438,992,584.20 is: 606,089,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,875,965.78 : 742,611,551.31 = 438,992,584.20 : x
  2. Step 2: Convert to fraction form
    537,875,965.78/742,611,551.31 = 438,992,584.20/x
  3. Step 3: Cross multiply
    537,875,965.78x = 742,611,551.31 × 438,992,584.20
  4. Step 4: Simplify right side
    537,875,965.78x = 326,000,963,966,347,776
  5. Step 5: Solve for x
    x = 326,000,963,966,347,776/537,875,965.78
  6. Step 6: Final answer
    x = 606,089,479.19

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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.