Home / 646,953,888.12-969,443,351.46-384,120,867.84

Finding the Fourth Proportional to 646,953,888.12, 969,443,351.46 and 384,120,867.84

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Solution

The fourth proportional to 646,953,888.12, 969,443,351.46 and 384,120,867.84 is: 575,594,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,953,888.12 : 969,443,351.46 = 384,120,867.84 : x
  2. Step 2: Convert to fraction form
    646,953,888.12/969,443,351.46 = 384,120,867.84/x
  3. Step 3: Cross multiply
    646,953,888.12x = 969,443,351.46 × 384,120,867.84
  4. Step 4: Simplify right side
    646,953,888.12x = 372,383,421,484,533,312
  5. Step 5: Solve for x
    x = 372,383,421,484,533,312/646,953,888.12
  6. Step 6: Final answer
    x = 575,594,997.30

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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.