Home / 313,696,768.76-470,114,681.58-198,475,045.56

Finding the Fourth Proportional to 313,696,768.76, 470,114,681.58 and 198,475,045.56

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Solution

The fourth proportional to 313,696,768.76, 470,114,681.58 and 198,475,045.56 is: 297,440,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,696,768.76 : 470,114,681.58 = 198,475,045.56 : x
  2. Step 2: Convert to fraction form
    313,696,768.76/470,114,681.58 = 198,475,045.56/x
  3. Step 3: Cross multiply
    313,696,768.76x = 470,114,681.58 × 198,475,045.56
  4. Step 4: Simplify right side
    313,696,768.76x = 93,306,032,845,015,392
  5. Step 5: Solve for x
    x = 93,306,032,845,015,392/313,696,768.76
  6. Step 6: Final answer
    x = 297,440,210.22

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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.