Home / 7,899,945,624.90-10,901,506,127.81-4,512,189,644.60

Finding the Fourth Proportional to 7,899,945,624.90, 10,901,506,127.81 and 4,512,189,644.60

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Solution

The fourth proportional to 7,899,945,624.90, 10,901,506,127.81 and 4,512,189,644.60 is: 6,226,582,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,945,624.90 : 10,901,506,127.81 = 4,512,189,644.60 : x
  2. Step 2: Convert to fraction form
    7,899,945,624.90/10,901,506,127.81 = 4,512,189,644.60/x
  3. Step 3: Cross multiply
    7,899,945,624.90x = 10,901,506,127.81 × 4,512,189,644.60
  4. Step 4: Simplify right side
    7,899,945,624.90x = 49,189,663,060,370,661,376
  5. Step 5: Solve for x
    x = 49,189,663,060,370,661,376/7,899,945,624.90
  6. Step 6: Final answer
    x = 6,226,582,484.99

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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.