Home / 425,913,077.46-638,805,673.50-134,742,365.58

Finding the Fourth Proportional to 425,913,077.46, 638,805,673.50 and 134,742,365.58

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Solution

The fourth proportional to 425,913,077.46, 638,805,673.50 and 134,742,365.58 is: 202,093,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,913,077.46 : 638,805,673.50 = 134,742,365.58 : x
  2. Step 2: Convert to fraction form
    425,913,077.46/638,805,673.50 = 134,742,365.58/x
  3. Step 3: Cross multiply
    425,913,077.46x = 638,805,673.50 × 134,742,365.58
  4. Step 4: Simplify right side
    425,913,077.46x = 86,074,187,593,315,120
  5. Step 5: Solve for x
    x = 86,074,187,593,315,120/425,913,077.46
  6. Step 6: Final answer
    x = 202,093,319.38

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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.