Home / 425,303,876.58-638,049,512.51-130,201,228.50

Finding the Fourth Proportional to 425,303,876.58, 638,049,512.51 and 130,201,228.50

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Solution

The fourth proportional to 425,303,876.58, 638,049,512.51 and 130,201,228.50 is: 195,330,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,303,876.58 : 638,049,512.51 = 130,201,228.50 : x
  2. Step 2: Convert to fraction form
    425,303,876.58/638,049,512.51 = 130,201,228.50/x
  3. Step 3: Cross multiply
    425,303,876.58x = 638,049,512.51 × 130,201,228.50
  4. Step 4: Simplify right side
    425,303,876.58x = 83,074,830,371,977,104
  5. Step 5: Solve for x
    x = 83,074,830,371,977,104/425,303,876.58
  6. Step 6: Final answer
    x = 195,330,527.06

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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.