Home / 343,326,234.80-514,989,352.20-198,207,412.40

Finding the Fourth Proportional to 343,326,234.80, 514,989,352.20 and 198,207,412.40

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Solution

The fourth proportional to 343,326,234.80, 514,989,352.20 and 198,207,412.40 is: 297,311,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,326,234.80 : 514,989,352.20 = 198,207,412.40 : x
  2. Step 2: Convert to fraction form
    343,326,234.80/514,989,352.20 = 198,207,412.40/x
  3. Step 3: Cross multiply
    343,326,234.80x = 514,989,352.20 × 198,207,412.40
  4. Step 4: Simplify right side
    343,326,234.80x = 102,074,706,913,114,240
  5. Step 5: Solve for x
    x = 102,074,706,913,114,240/343,326,234.80
  6. Step 6: Final answer
    x = 297,311,118.60

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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.