Home / 649,943,545.56-974,880,982.40-213,186,698.52

Finding the Fourth Proportional to 649,943,545.56, 974,880,982.40 and 213,186,698.52

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Solution

The fourth proportional to 649,943,545.56, 974,880,982.40 and 213,186,698.52 is: 319,768,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,943,545.56 : 974,880,982.40 = 213,186,698.52 : x
  2. Step 2: Convert to fraction form
    649,943,545.56/974,880,982.40 = 213,186,698.52/x
  3. Step 3: Cross multiply
    649,943,545.56x = 974,880,982.40 × 213,186,698.52
  4. Step 4: Simplify right side
    649,943,545.56x = 207,831,658,087,790,240
  5. Step 5: Solve for x
    x = 207,831,658,087,790,240/649,943,545.56
  6. Step 6: Final answer
    x = 319,768,785.32

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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.