Home / 1,108,333,816.16-1,529,499,668.05-625,627,392.50

Finding the Fourth Proportional to 1,108,333,816.16, 1,529,499,668.05 and 625,627,392.50

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Solution

The fourth proportional to 1,108,333,816.16, 1,529,499,668.05 and 625,627,392.50 is: 863,365,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,333,816.16 : 1,529,499,668.05 = 625,627,392.50 : x
  2. Step 2: Convert to fraction form
    1,108,333,816.16/1,529,499,668.05 = 625,627,392.50/x
  3. Step 3: Cross multiply
    1,108,333,816.16x = 1,529,499,668.05 × 625,627,392.50
  4. Step 4: Simplify right side
    1,108,333,816.16x = 956,896,889,157,124,992
  5. Step 5: Solve for x
    x = 956,896,889,157,124,992/1,108,333,816.16
  6. Step 6: Final answer
    x = 863,365,238.17

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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.