Home / 607,133,981.78-837,845,175.17-328,675,505.31

Finding the Fourth Proportional to 607,133,981.78, 837,845,175.17 and 328,675,505.31

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Solution

The fourth proportional to 607,133,981.78, 837,845,175.17 and 328,675,505.31 is: 453,572,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,133,981.78 : 837,845,175.17 = 328,675,505.31 : x
  2. Step 2: Convert to fraction form
    607,133,981.78/837,845,175.17 = 328,675,505.31/x
  3. Step 3: Cross multiply
    607,133,981.78x = 837,845,175.17 × 328,675,505.31
  4. Step 4: Simplify right side
    607,133,981.78x = 275,379,186,317,163,584
  5. Step 5: Solve for x
    x = 275,379,186,317,163,584/607,133,981.78
  6. Step 6: Final answer
    x = 453,572,349.07

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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.