Home / 12,817,281,901.35-19,210,617,351.23-5,355,850,261.35

Finding the Fourth Proportional to 12,817,281,901.35, 19,210,617,351.23 and 5,355,850,261.35

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Solution

The fourth proportional to 12,817,281,901.35, 19,210,617,351.23 and 5,355,850,261.35 is: 8,027,379,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,281,901.35 : 19,210,617,351.23 = 5,355,850,261.35 : x
  2. Step 2: Convert to fraction form
    12,817,281,901.35/19,210,617,351.23 = 5,355,850,261.35/x
  3. Step 3: Cross multiply
    12,817,281,901.35x = 19,210,617,351.23 × 5,355,850,261.35
  4. Step 4: Simplify right side
    12,817,281,901.35x = 102,889,189,961,253,257,216
  5. Step 5: Solve for x
    x = 102,889,189,961,253,257,216/12,817,281,901.35
  6. Step 6: Final answer
    x = 8,027,379,810.57

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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.