Home / 15,754,859,715.84-21,742,224,985.17-8,618,110,207.92

Finding the Fourth Proportional to 15,754,859,715.84, 21,742,224,985.17 and 8,618,110,207.92

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Solution

The fourth proportional to 15,754,859,715.84, 21,742,224,985.17 and 8,618,110,207.92 is: 11,893,275,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754,859,715.84 : 21,742,224,985.17 = 8,618,110,207.92 : x
  2. Step 2: Convert to fraction form
    15,754,859,715.84/21,742,224,985.17 = 8,618,110,207.92/x
  3. Step 3: Cross multiply
    15,754,859,715.84x = 21,742,224,985.17 × 8,618,110,207.92
  4. Step 4: Simplify right side
    15,754,859,715.84x = 187,376,891,087,586,820,096
  5. Step 5: Solve for x
    x = 187,376,891,087,586,820,096/15,754,859,715.84
  6. Step 6: Final answer
    x = 11,893,275,755.37

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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.