Home / 346,715,205.11-478,466,867.91-190,078,949.07

Finding the Fourth Proportional to 346,715,205.11, 478,466,867.91 and 190,078,949.07

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Solution

The fourth proportional to 346,715,205.11, 478,466,867.91 and 190,078,949.07 is: 262,308,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,715,205.11 : 478,466,867.91 = 190,078,949.07 : x
  2. Step 2: Convert to fraction form
    346,715,205.11/478,466,867.91 = 190,078,949.07/x
  3. Step 3: Cross multiply
    346,715,205.11x = 478,466,867.91 × 190,078,949.07
  4. Step 4: Simplify right side
    346,715,205.11x = 90,946,479,417,032,592
  5. Step 5: Solve for x
    x = 90,946,479,417,032,592/346,715,205.11
  6. Step 6: Final answer
    x = 262,308,886.59

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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.