Home / 15,615,272,818.08-21,549,076,488.95-8,932,269,382.83

Finding the Fourth Proportional to 15,615,272,818.08, 21,549,076,488.95 and 8,932,269,382.83

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Solution

The fourth proportional to 15,615,272,818.08, 21,549,076,488.95 and 8,932,269,382.83 is: 12,326,531,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,272,818.08 : 21,549,076,488.95 = 8,932,269,382.83 : x
  2. Step 2: Convert to fraction form
    15,615,272,818.08/21,549,076,488.95 = 8,932,269,382.83/x
  3. Step 3: Cross multiply
    15,615,272,818.08x = 21,549,076,488.95 × 8,932,269,382.83
  4. Step 4: Simplify right side
    15,615,272,818.08x = 192,482,156,150,621,011,968
  5. Step 5: Solve for x
    x = 192,482,156,150,621,011,968/15,615,272,818.08
  6. Step 6: Final answer
    x = 12,326,531,748.31

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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.