Home / 1,175,447,780.36-1,763,426,762.37-357,538,823.72

Finding the Fourth Proportional to 1,175,447,780.36, 1,763,426,762.37 and 357,538,823.72

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Solution

The fourth proportional to 1,175,447,780.36, 1,763,426,762.37 and 357,538,823.72 is: 536,385,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,447,780.36 : 1,763,426,762.37 = 357,538,823.72 : x
  2. Step 2: Convert to fraction form
    1,175,447,780.36/1,763,426,762.37 = 357,538,823.72/x
  3. Step 3: Cross multiply
    1,175,447,780.36x = 1,763,426,762.37 × 357,538,823.72
  4. Step 4: Simplify right side
    1,175,447,780.36x = 630,493,530,331,951,104
  5. Step 5: Solve for x
    x = 630,493,530,331,951,104/1,175,447,780.36
  6. Step 6: Final answer
    x = 536,385,827.48

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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.