Home / 525,799,214.12-725,531,837.78-299,767,356.16

Finding the Fourth Proportional to 525,799,214.12, 725,531,837.78 and 299,767,356.16

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Solution

The fourth proportional to 525,799,214.12, 725,531,837.78 and 299,767,356.16 is: 413,638,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,799,214.12 : 725,531,837.78 = 299,767,356.16 : x
  2. Step 2: Convert to fraction form
    525,799,214.12/725,531,837.78 = 299,767,356.16/x
  3. Step 3: Cross multiply
    525,799,214.12x = 725,531,837.78 × 299,767,356.16
  4. Step 4: Simplify right side
    525,799,214.12x = 217,490,760,820,152,224
  5. Step 5: Solve for x
    x = 217,490,760,820,152,224/525,799,214.12
  6. Step 6: Final answer
    x = 413,638,428.85

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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.