Home / 391,626,628.49-540,484,387.63-224,385,073.33

Finding the Fourth Proportional to 391,626,628.49, 540,484,387.63 and 224,385,073.33

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Solution

The fourth proportional to 391,626,628.49, 540,484,387.63 and 224,385,073.33 is: 309,674,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,626,628.49 : 540,484,387.63 = 224,385,073.33 : x
  2. Step 2: Convert to fraction form
    391,626,628.49/540,484,387.63 = 224,385,073.33/x
  3. Step 3: Cross multiply
    391,626,628.49x = 540,484,387.63 × 224,385,073.33
  4. Step 4: Simplify right side
    391,626,628.49x = 121,276,628,952,077,696
  5. Step 5: Solve for x
    x = 121,276,628,952,077,696/391,626,628.49
  6. Step 6: Final answer
    x = 309,674,113.38

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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.