Home / 2,640,558,836.40-3,960,838,254.60-800,072,365.20

Finding the Fourth Proportional to 2,640,558,836.40, 3,960,838,254.60 and 800,072,365.20

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Solution

The fourth proportional to 2,640,558,836.40, 3,960,838,254.60 and 800,072,365.20 is: 1,200,108,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,558,836.40 : 3,960,838,254.60 = 800,072,365.20 : x
  2. Step 2: Convert to fraction form
    2,640,558,836.40/3,960,838,254.60 = 800,072,365.20/x
  3. Step 3: Cross multiply
    2,640,558,836.40x = 3,960,838,254.60 × 800,072,365.20
  4. Step 4: Simplify right side
    2,640,558,836.40x = 3,168,957,230,532,462,080
  5. Step 5: Solve for x
    x = 3,168,957,230,532,462,080/2,640,558,836.40
  6. Step 6: Final answer
    x = 1,200,108,547.80

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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.