Home / 5,312,078,109.17-7,328,020,043.78-3,167,172,047.21

Finding the Fourth Proportional to 5,312,078,109.17, 7,328,020,043.78 and 3,167,172,047.21

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Solution

The fourth proportional to 5,312,078,109.17, 7,328,020,043.78 and 3,167,172,047.21 is: 4,369,118,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,078,109.17 : 7,328,020,043.78 = 3,167,172,047.21 : x
  2. Step 2: Convert to fraction form
    5,312,078,109.17/7,328,020,043.78 = 3,167,172,047.21/x
  3. Step 3: Cross multiply
    5,312,078,109.17x = 7,328,020,043.78 × 3,167,172,047.21
  4. Step 4: Simplify right side
    5,312,078,109.17x = 23,209,100,244,057,100,288
  5. Step 5: Solve for x
    x = 23,209,100,244,057,100,288/5,312,078,109.17
  6. Step 6: Final answer
    x = 4,369,118,783.10

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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.