Home / 8,665,838,562.36-12,989,685,458.95-3,626,582,240.86

Finding the Fourth Proportional to 8,665,838,562.36, 12,989,685,458.95 and 3,626,582,240.86

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Solution

The fourth proportional to 8,665,838,562.36, 12,989,685,458.95 and 3,626,582,240.86 is: 5,436,076,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665,838,562.36 : 12,989,685,458.95 = 3,626,582,240.86 : x
  2. Step 2: Convert to fraction form
    8,665,838,562.36/12,989,685,458.95 = 3,626,582,240.86/x
  3. Step 3: Cross multiply
    8,665,838,562.36x = 12,989,685,458.95 × 3,626,582,240.86
  4. Step 4: Simplify right side
    8,665,838,562.36x = 47,108,162,599,747,018,752
  5. Step 5: Solve for x
    x = 47,108,162,599,747,018,752/8,665,838,562.36
  6. Step 6: Final answer
    x = 5,436,076,642.87

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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.