Home / 358,656,040.40-537,984,060.60-326,344,427.60

Finding the Fourth Proportional to 358,656,040.40, 537,984,060.60 and 326,344,427.60

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Solution

The fourth proportional to 358,656,040.40, 537,984,060.60 and 326,344,427.60 is: 489,516,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,656,040.40 : 537,984,060.60 = 326,344,427.60 : x
  2. Step 2: Convert to fraction form
    358,656,040.40/537,984,060.60 = 326,344,427.60/x
  3. Step 3: Cross multiply
    358,656,040.40x = 537,984,060.60 × 326,344,427.60
  4. Step 4: Simplify right side
    358,656,040.40x = 175,568,100,314,430,720
  5. Step 5: Solve for x
    x = 175,568,100,314,430,720/358,656,040.40
  6. Step 6: Final answer
    x = 489,516,641.40

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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.