Home / 631,069,053.70-946,651,161.48-188,376,763.36

Finding the Fourth Proportional to 631,069,053.70, 946,651,161.48 and 188,376,763.36

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Solution

The fourth proportional to 631,069,053.70, 946,651,161.48 and 188,376,763.36 is: 282,579,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,069,053.70 : 946,651,161.48 = 188,376,763.36 : x
  2. Step 2: Convert to fraction form
    631,069,053.70/946,651,161.48 = 188,376,763.36/x
  3. Step 3: Cross multiply
    631,069,053.70x = 946,651,161.48 × 188,376,763.36
  4. Step 4: Simplify right side
    631,069,053.70x = 178,327,081,830,587,136
  5. Step 5: Solve for x
    x = 178,327,081,830,587,136/631,069,053.70
  6. Step 6: Final answer
    x = 282,579,348.15

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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.