Home / 287,309,245,231.12-430,964,282,623.04-117,328,834,259.47

Finding the Fourth Proportional to 287,309,245,231.12, 430,964,282,623.04 and 117,328,834,259.47

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Solution

The fourth proportional to 287,309,245,231.12, 430,964,282,623.04 and 117,328,834,259.47 is: 175,993,420,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,231.12 : 430,964,282,623.04 = 117,328,834,259.47 : x
  2. Step 2: Convert to fraction form
    287,309,245,231.12/430,964,282,623.04 = 117,328,834,259.47/x
  3. Step 3: Cross multiply
    287,309,245,231.12x = 430,964,282,623.04 × 117,328,834,259.47
  4. Step 4: Simplify right side
    287,309,245,231.12x = 50,564,536,887,630,041,710,592
  5. Step 5: Solve for x
    x = 50,564,536,887,630,041,710,592/287,309,245,231.12
  6. Step 6: Final answer
    x = 175,993,420,771.94

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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.