Home / 452,468,076.13-678,683,641.29-157,430,724.49

Finding the Fourth Proportional to 452,468,076.13, 678,683,641.29 and 157,430,724.49

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Solution

The fourth proportional to 452,468,076.13, 678,683,641.29 and 157,430,724.49 is: 236,139,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,468,076.13 : 678,683,641.29 = 157,430,724.49 : x
  2. Step 2: Convert to fraction form
    452,468,076.13/678,683,641.29 = 157,430,724.49/x
  3. Step 3: Cross multiply
    452,468,076.13x = 678,683,641.29 × 157,430,724.49
  4. Step 4: Simplify right side
    452,468,076.13x = 106,845,657,347,795,984
  5. Step 5: Solve for x
    x = 106,845,657,347,795,984/452,468,076.13
  6. Step 6: Final answer
    x = 236,139,659.31

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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.