Home / 28,256,217,223.74-42,392,596,554.41-9,111,443,446.50

Finding the Fourth Proportional to 28,256,217,223.74, 42,392,596,554.41 and 9,111,443,446.50

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Solution

The fourth proportional to 28,256,217,223.74, 42,392,596,554.41 and 9,111,443,446.50 is: 13,669,832,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256,217,223.74 : 42,392,596,554.41 = 9,111,443,446.50 : x
  2. Step 2: Convert to fraction form
    28,256,217,223.74/42,392,596,554.41 = 9,111,443,446.50/x
  3. Step 3: Cross multiply
    28,256,217,223.74x = 42,392,596,554.41 × 9,111,443,446.50
  4. Step 4: Simplify right side
    28,256,217,223.74x = 386,257,746,055,751,925,760
  5. Step 5: Solve for x
    x = 386,257,746,055,751,925,760/28,256,217,223.74
  6. Step 6: Final answer
    x = 13,669,832,129.24

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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.