Home / 399,404,896.30-599,173,699.65-157,075,705.90

Finding the Fourth Proportional to 399,404,896.30, 599,173,699.65 and 157,075,705.90

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Solution

The fourth proportional to 399,404,896.30, 599,173,699.65 and 157,075,705.90 is: 235,639,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,404,896.30 : 599,173,699.65 = 157,075,705.90 : x
  2. Step 2: Convert to fraction form
    399,404,896.30/599,173,699.65 = 157,075,705.90/x
  3. Step 3: Cross multiply
    399,404,896.30x = 599,173,699.65 × 157,075,705.90
  4. Step 4: Simplify right side
    399,404,896.30x = 94,115,631,829,238,336
  5. Step 5: Solve for x
    x = 94,115,631,829,238,336/399,404,896.30
  6. Step 6: Final answer
    x = 235,639,654.65

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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.