Home / 12,866,706,096.04-17,756,812,872.90-9,689,284,129.96

Finding the Fourth Proportional to 12,866,706,096.04, 17,756,812,872.90 and 9,689,284,129.96

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Solution

The fourth proportional to 12,866,706,096.04, 17,756,812,872.90 and 9,689,284,129.96 is: 13,371,783,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,706,096.04 : 17,756,812,872.90 = 9,689,284,129.96 : x
  2. Step 2: Convert to fraction form
    12,866,706,096.04/17,756,812,872.90 = 9,689,284,129.96/x
  3. Step 3: Cross multiply
    12,866,706,096.04x = 17,756,812,872.90 × 9,689,284,129.96
  4. Step 4: Simplify right side
    12,866,706,096.04x = 172,050,805,168,059,416,576
  5. Step 5: Solve for x
    x = 172,050,805,168,059,416,576/12,866,706,096.04
  6. Step 6: Final answer
    x = 13,371,783,258.58

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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.