Home / 11,456,437,646.49-15,809,029,285.10-6,443,216,518.83

Finding the Fourth Proportional to 11,456,437,646.49, 15,809,029,285.10 and 6,443,216,518.83

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Solution

The fourth proportional to 11,456,437,646.49, 15,809,029,285.10 and 6,443,216,518.83 is: 8,891,158,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456,437,646.49 : 15,809,029,285.10 = 6,443,216,518.83 : x
  2. Step 2: Convert to fraction form
    11,456,437,646.49/15,809,029,285.10 = 6,443,216,518.83/x
  3. Step 3: Cross multiply
    11,456,437,646.49x = 15,809,029,285.10 × 6,443,216,518.83
  4. Step 4: Simplify right side
    11,456,437,646.49x = 101,860,998,636,391,317,504
  5. Step 5: Solve for x
    x = 101,860,998,636,391,317,504/11,456,437,646.49
  6. Step 6: Final answer
    x = 8,891,158,122.58

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1.5x scale

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.