Home / 467,636,972.07-645,312,763.98-255,943,369.81

Finding the Fourth Proportional to 467,636,972.07, 645,312,763.98 and 255,943,369.81

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Solution

The fourth proportional to 467,636,972.07, 645,312,763.98 and 255,943,369.81 is: 353,187,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,636,972.07 : 645,312,763.98 = 255,943,369.81 : x
  2. Step 2: Convert to fraction form
    467,636,972.07/645,312,763.98 = 255,943,369.81/x
  3. Step 3: Cross multiply
    467,636,972.07x = 645,312,763.98 × 255,943,369.81
  4. Step 4: Simplify right side
    467,636,972.07x = 165,163,523,394,446,400
  5. Step 5: Solve for x
    x = 165,163,523,394,446,400/467,636,972.07
  6. Step 6: Final answer
    x = 353,187,479.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.