Home / 7,889,906,085.84-10,889,153,632.02-4,837,542,411.54

Finding the Fourth Proportional to 7,889,906,085.84, 10,889,153,632.02 and 4,837,542,411.54

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Solution

The fourth proportional to 7,889,906,085.84, 10,889,153,632.02 and 4,837,542,411.54 is: 6,676,472,691.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,906,085.84 : 10,889,153,632.02 = 4,837,542,411.54 : x
  2. Step 2: Convert to fraction form
    7,889,906,085.84/10,889,153,632.02 = 4,837,542,411.54/x
  3. Step 3: Cross multiply
    7,889,906,085.84x = 10,889,153,632.02 × 4,837,542,411.54
  4. Step 4: Simplify right side
    7,889,906,085.84x = 52,676,742,520,671,584,256
  5. Step 5: Solve for x
    x = 52,676,742,520,671,584,256/7,889,906,085.84
  6. Step 6: Final answer
    x = 6,676,472,691.51

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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.