Home / 537,876,047.72-742,611,664.50-438,992,666.12

Finding the Fourth Proportional to 537,876,047.72, 742,611,664.50 and 438,992,666.12

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Solution

The fourth proportional to 537,876,047.72, 742,611,664.50 and 438,992,666.12 is: 606,089,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,876,047.72 : 742,611,664.50 = 438,992,666.12 : x
  2. Step 2: Convert to fraction form
    537,876,047.72/742,611,664.50 = 438,992,666.12/x
  3. Step 3: Cross multiply
    537,876,047.72x = 742,611,664.50 × 438,992,666.12
  4. Step 4: Simplify right side
    537,876,047.72x = 326,001,074,490,665,984
  5. Step 5: Solve for x
    x = 326,001,074,490,665,984/537,876,047.72
  6. Step 6: Final answer
    x = 606,089,592.34

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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.