Home / 619,025,316.76-854,254,908.39-340,560,861.58

Finding the Fourth Proportional to 619,025,316.76, 854,254,908.39 and 340,560,861.58

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Solution

The fourth proportional to 619,025,316.76, 854,254,908.39 and 340,560,861.58 is: 469,973,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,025,316.76 : 854,254,908.39 = 340,560,861.58 : x
  2. Step 2: Convert to fraction form
    619,025,316.76/854,254,908.39 = 340,560,861.58/x
  3. Step 3: Cross multiply
    619,025,316.76x = 854,254,908.39 × 340,560,861.58
  4. Step 4: Simplify right side
    619,025,316.76x = 290,925,787,610,242,368
  5. Step 5: Solve for x
    x = 290,925,787,610,242,368/619,025,316.76
  6. Step 6: Final answer
    x = 469,973,973.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.