Home / 5,280,303,663.40-7,920,455,495.10-2,659,094,933.80

Finding the Fourth Proportional to 5,280,303,663.40, 7,920,455,495.10 and 2,659,094,933.80

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Solution

The fourth proportional to 5,280,303,663.40, 7,920,455,495.10 and 2,659,094,933.80 is: 3,988,642,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,303,663.40 : 7,920,455,495.10 = 2,659,094,933.80 : x
  2. Step 2: Convert to fraction form
    5,280,303,663.40/7,920,455,495.10 = 2,659,094,933.80/x
  3. Step 3: Cross multiply
    5,280,303,663.40x = 7,920,455,495.10 × 2,659,094,933.80
  4. Step 4: Simplify right side
    5,280,303,663.40x = 21,061,243,080,408,784,896
  5. Step 5: Solve for x
    x = 21,061,243,080,408,784,896/5,280,303,663.40
  6. Step 6: Final answer
    x = 3,988,642,400.70

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Double scale
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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.