Home / 12,410,651,026.07-18,615,853,860.08-5,685,885,479.28

Finding the Fourth Proportional to 12,410,651,026.07, 18,615,853,860.08 and 5,685,885,479.28

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Solution

The fourth proportional to 12,410,651,026.07, 18,615,853,860.08 and 5,685,885,479.28 is: 8,528,772,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,651,026.07 : 18,615,853,860.08 = 5,685,885,479.28 : x
  2. Step 2: Convert to fraction form
    12,410,651,026.07/18,615,853,860.08 = 5,685,885,479.28/x
  3. Step 3: Cross multiply
    12,410,651,026.07x = 18,615,853,860.08 × 5,685,885,479.28
  4. Step 4: Simplify right side
    12,410,651,026.07x = 105,847,613,147,322,941,440
  5. Step 5: Solve for x
    x = 105,847,613,147,322,941,440/12,410,651,026.07
  6. Step 6: Final answer
    x = 8,528,772,014.05

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1.5x scale

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.