Home / 293,278,801.60-438,784,461.60-191,242,129.60

Finding the Fourth Proportional to 293,278,801.60, 438,784,461.60 and 191,242,129.60

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Solution

The fourth proportional to 293,278,801.60, 438,784,461.60 and 191,242,129.60 is: 286,123,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,278,801.60 : 438,784,461.60 = 191,242,129.60 : x
  2. Step 2: Convert to fraction form
    293,278,801.60/438,784,461.60 = 191,242,129.60/x
  3. Step 3: Cross multiply
    293,278,801.60x = 438,784,461.60 × 191,242,129.60
  4. Step 4: Simplify right side
    293,278,801.60x = 83,914,074,871,773,424
  5. Step 5: Solve for x
    x = 83,914,074,871,773,424/293,278,801.60
  6. Step 6: Final answer
    x = 286,123,901.26

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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.