Home / 462,707,672.66-689,252,382.71-437,645,911.55

Finding the Fourth Proportional to 462,707,672.66, 689,252,382.71 and 437,645,911.55

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Solution

The fourth proportional to 462,707,672.66, 689,252,382.71 and 437,645,911.55 is: 651,920,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,707,672.66 : 689,252,382.71 = 437,645,911.55 : x
  2. Step 2: Convert to fraction form
    462,707,672.66/689,252,382.71 = 437,645,911.55/x
  3. Step 3: Cross multiply
    462,707,672.66x = 689,252,382.71 × 437,645,911.55
  4. Step 4: Simplify right side
    462,707,672.66x = 301,648,487,313,492,928
  5. Step 5: Solve for x
    x = 301,648,487,313,492,928/462,707,672.66
  6. Step 6: Final answer
    x = 651,920,219.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.