Home / 527,286,744.50-790,963,001.96-139,109,947.16

Finding the Fourth Proportional to 527,286,744.50, 790,963,001.96 and 139,109,947.16

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Solution

The fourth proportional to 527,286,744.50, 790,963,001.96 and 139,109,947.16 is: 208,673,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,286,744.50 : 790,963,001.96 = 139,109,947.16 : x
  2. Step 2: Convert to fraction form
    527,286,744.50/790,963,001.96 = 139,109,947.16/x
  3. Step 3: Cross multiply
    527,286,744.50x = 790,963,001.96 × 139,109,947.16
  4. Step 4: Simplify right side
    527,286,744.50x = 110,030,821,403,520,224
  5. Step 5: Solve for x
    x = 110,030,821,403,520,224/527,286,744.50
  6. Step 6: Final answer
    x = 208,673,596.58

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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.