Home / 343,872,033.20-515,808,049.80-235,032,916.40

Finding the Fourth Proportional to 343,872,033.20, 515,808,049.80 and 235,032,916.40

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Solution

The fourth proportional to 343,872,033.20, 515,808,049.80 and 235,032,916.40 is: 352,549,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872,033.20 : 515,808,049.80 = 235,032,916.40 : x
  2. Step 2: Convert to fraction form
    343,872,033.20/515,808,049.80 = 235,032,916.40/x
  3. Step 3: Cross multiply
    343,872,033.20x = 515,808,049.80 × 235,032,916.40
  4. Step 4: Simplify right side
    343,872,033.20x = 121,231,870,247,090,448
  5. Step 5: Solve for x
    x = 121,231,870,247,090,448/343,872,033.20
  6. Step 6: Final answer
    x = 352,549,374.60

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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.