Home / 361,240,948.88-498,526,186.44-202,473,980.40

Finding the Fourth Proportional to 361,240,948.88, 498,526,186.44 and 202,473,980.40

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Solution

The fourth proportional to 361,240,948.88, 498,526,186.44 and 202,473,980.40 is: 279,421,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,240,948.88 : 498,526,186.44 = 202,473,980.40 : x
  2. Step 2: Convert to fraction form
    361,240,948.88/498,526,186.44 = 202,473,980.40/x
  3. Step 3: Cross multiply
    361,240,948.88x = 498,526,186.44 × 202,473,980.40
  4. Step 4: Simplify right side
    361,240,948.88x = 100,938,581,302,139,312
  5. Step 5: Solve for x
    x = 100,938,581,302,139,312/361,240,948.88
  6. Step 6: Final answer
    x = 279,421,758.84

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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.