Home / 15,615,272,817.73-21,549,076,488.48-8,932,269,382.48

Finding the Fourth Proportional to 15,615,272,817.73, 21,549,076,488.48 and 8,932,269,382.48

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Solution

The fourth proportional to 15,615,272,817.73, 21,549,076,488.48 and 8,932,269,382.48 is: 12,326,531,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,272,817.73 : 21,549,076,488.48 = 8,932,269,382.48 : x
  2. Step 2: Convert to fraction form
    15,615,272,817.73/21,549,076,488.48 = 8,932,269,382.48/x
  3. Step 3: Cross multiply
    15,615,272,817.73x = 21,549,076,488.48 × 8,932,269,382.48
  4. Step 4: Simplify right side
    15,615,272,817.73x = 192,482,156,138,769,514,496
  5. Step 5: Solve for x
    x = 192,482,156,138,769,514,496/15,615,272,817.73
  6. Step 6: Final answer
    x = 12,326,531,747.83

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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.