Home / 2,976,412,276.15-4,107,416,345.72-1,638,273,756.31

Finding the Fourth Proportional to 2,976,412,276.15, 4,107,416,345.72 and 1,638,273,756.31

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Solution

The fourth proportional to 2,976,412,276.15, 4,107,416,345.72 and 1,638,273,756.31 is: 2,260,799,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,412,276.15 : 4,107,416,345.72 = 1,638,273,756.31 : x
  2. Step 2: Convert to fraction form
    2,976,412,276.15/4,107,416,345.72 = 1,638,273,756.31/x
  3. Step 3: Cross multiply
    2,976,412,276.15x = 4,107,416,345.72 × 1,638,273,756.31
  4. Step 4: Simplify right side
    2,976,412,276.15x = 6,729,072,405,423,606,784
  5. Step 5: Solve for x
    x = 6,729,072,405,423,606,784/2,976,412,276.15
  6. Step 6: Final answer
    x = 2,260,799,842.60

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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.