Home / 619,453,106.10-929,319,646.32-204,928,948.44

Finding the Fourth Proportional to 619,453,106.10, 929,319,646.32 and 204,928,948.44

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Solution

The fourth proportional to 619,453,106.10, 929,319,646.32 and 204,928,948.44 is: 307,439,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,453,106.10 : 929,319,646.32 = 204,928,948.44 : x
  2. Step 2: Convert to fraction form
    619,453,106.10/929,319,646.32 = 204,928,948.44/x
  3. Step 3: Cross multiply
    619,453,106.10x = 929,319,646.32 × 204,928,948.44
  4. Step 4: Simplify right side
    619,453,106.10x = 190,444,497,884,990,336
  5. Step 5: Solve for x
    x = 190,444,497,884,990,336/619,453,106.10
  6. Step 6: Final answer
    x = 307,439,733.55

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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.