Home / 346,437,460.64-478,145,295.60-207,223,538.24

Finding the Fourth Proportional to 346,437,460.64, 478,145,295.60 and 207,223,538.24

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Solution

The fourth proportional to 346,437,460.64, 478,145,295.60 and 207,223,538.24 is: 286,005,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,437,460.64 : 478,145,295.60 = 207,223,538.24 : x
  2. Step 2: Convert to fraction form
    346,437,460.64/478,145,295.60 = 207,223,538.24/x
  3. Step 3: Cross multiply
    346,437,460.64x = 478,145,295.60 × 207,223,538.24
  4. Step 4: Simplify right side
    346,437,460.64x = 99,082,959,947,042,720
  5. Step 5: Solve for x
    x = 99,082,959,947,042,720/346,437,460.64
  6. Step 6: Final answer
    x = 286,005,329.11

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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.