Home / 501,432,240.66-751,752,785.79-316,810,573.80

Finding the Fourth Proportional to 501,432,240.66, 751,752,785.79 and 316,810,573.80

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Solution

The fourth proportional to 501,432,240.66, 751,752,785.79 and 316,810,573.80 is: 474,965,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,432,240.66 : 751,752,785.79 = 316,810,573.80 : x
  2. Step 2: Convert to fraction form
    501,432,240.66/751,752,785.79 = 316,810,573.80/x
  3. Step 3: Cross multiply
    501,432,240.66x = 751,752,785.79 × 316,810,573.80
  4. Step 4: Simplify right side
    501,432,240.66x = 238,163,231,421,878,368
  5. Step 5: Solve for x
    x = 238,163,231,421,878,368/501,432,240.66
  6. Step 6: Final answer
    x = 474,965,931.80

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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.