Home / 347,752,428.70-521,628,643.05-186,509,292.70

Finding the Fourth Proportional to 347,752,428.70, 521,628,643.05 and 186,509,292.70

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Solution

The fourth proportional to 347,752,428.70, 521,628,643.05 and 186,509,292.70 is: 279,763,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,752,428.70 : 521,628,643.05 = 186,509,292.70 : x
  2. Step 2: Convert to fraction form
    347,752,428.70/521,628,643.05 = 186,509,292.70/x
  3. Step 3: Cross multiply
    347,752,428.70x = 521,628,643.05 × 186,509,292.70
  4. Step 4: Simplify right side
    347,752,428.70x = 97,288,589,267,316,272
  5. Step 5: Solve for x
    x = 97,288,589,267,316,272/347,752,428.70
  6. Step 6: Final answer
    x = 279,763,939.05

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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.