Home / 7,900,702,401.40-11,838,960,366.90-7,465,345,934.20

Finding the Fourth Proportional to 7,900,702,401.40, 11,838,960,366.90 and 7,465,345,934.20

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Solution

The fourth proportional to 7,900,702,401.40, 11,838,960,366.90 and 7,465,345,934.20 is: 11,186,592,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,702,401.40 : 11,838,960,366.90 = 7,465,345,934.20 : x
  2. Step 2: Convert to fraction form
    7,900,702,401.40/11,838,960,366.90 = 7,465,345,934.20/x
  3. Step 3: Cross multiply
    7,900,702,401.40x = 11,838,960,366.90 × 7,465,345,934.20
  4. Step 4: Simplify right side
    7,900,702,401.40x = 88,381,934,640,191,848,448
  5. Step 5: Solve for x
    x = 88,381,934,640,191,848,448/7,900,702,401.40
  6. Step 6: Final answer
    x = 11,186,592,045.86

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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.