Home / 28,256,217,225.42-42,392,596,556.95-9,111,443,448.18

Finding the Fourth Proportional to 28,256,217,225.42, 42,392,596,556.95 and 9,111,443,448.18

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Solution

The fourth proportional to 28,256,217,225.42, 42,392,596,556.95 and 9,111,443,448.18 is: 13,669,832,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,225.42 : 42,392,596,556.95 = 9,111,443,448.18 : x
  2. Step 2: Convert to fraction form
    28,256,217,225.42/42,392,596,556.95 = 9,111,443,448.18/x
  3. Step 3: Cross multiply
    28,256,217,225.42x = 42,392,596,556.95 × 9,111,443,448.18
  4. Step 4: Simplify right side
    28,256,217,225.42x = 386,257,746,150,141,853,696
  5. Step 5: Solve for x
    x = 386,257,746,150,141,853,696/28,256,217,225.42
  6. Step 6: Final answer
    x = 13,669,832,131.76

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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.