Home / 354,312,200.40-531,468,300.60-216,562,693.20

Finding the Fourth Proportional to 354,312,200.40, 531,468,300.60 and 216,562,693.20

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Solution

The fourth proportional to 354,312,200.40, 531,468,300.60 and 216,562,693.20 is: 324,844,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,200.40 : 531,468,300.60 = 216,562,693.20 : x
  2. Step 2: Convert to fraction form
    354,312,200.40/531,468,300.60 = 216,562,693.20/x
  3. Step 3: Cross multiply
    354,312,200.40x = 531,468,300.60 × 216,562,693.20
  4. Step 4: Simplify right side
    354,312,200.40x = 115,096,206,528,363,168
  5. Step 5: Solve for x
    x = 115,096,206,528,363,168/354,312,200.40
  6. Step 6: Final answer
    x = 324,844,039.80

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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.