Home / 346,715,205.24-478,466,868.08-190,078,949.20

Finding the Fourth Proportional to 346,715,205.24, 478,466,868.08 and 190,078,949.20

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Solution

The fourth proportional to 346,715,205.24, 478,466,868.08 and 190,078,949.20 is: 262,308,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,715,205.24 : 478,466,868.08 = 190,078,949.20 : x
  2. Step 2: Convert to fraction form
    346,715,205.24/478,466,868.08 = 190,078,949.20/x
  3. Step 3: Cross multiply
    346,715,205.24x = 478,466,868.08 × 190,078,949.20
  4. Step 4: Simplify right side
    346,715,205.24x = 90,946,479,511,661,408
  5. Step 5: Solve for x
    x = 90,946,479,511,661,408/346,715,205.24
  6. Step 6: Final answer
    x = 262,308,886.77

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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.