Home / 7,978,176,001.40-11,967,264,002.10-4,835,446,503.80

Finding the Fourth Proportional to 7,978,176,001.40, 11,967,264,002.10 and 4,835,446,503.80

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Solution

The fourth proportional to 7,978,176,001.40, 11,967,264,002.10 and 4,835,446,503.80 is: 7,253,169,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,001.40 : 11,967,264,002.10 = 4,835,446,503.80 : x
  2. Step 2: Convert to fraction form
    7,978,176,001.40/11,967,264,002.10 = 4,835,446,503.80/x
  3. Step 3: Cross multiply
    7,978,176,001.40x = 11,967,264,002.10 × 4,835,446,503.80
  4. Step 4: Simplify right side
    7,978,176,001.40x = 57,867,064,879,006,048,256
  5. Step 5: Solve for x
    x = 57,867,064,879,006,048,256/7,978,176,001.40
  6. Step 6: Final answer
    x = 7,253,169,755.70

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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.