Home / 1,810,836,031.80-2,716,254,047.70-646,342,512.60

Finding the Fourth Proportional to 1,810,836,031.80, 2,716,254,047.70 and 646,342,512.60

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Solution

The fourth proportional to 1,810,836,031.80, 2,716,254,047.70 and 646,342,512.60 is: 969,513,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,836,031.80 : 2,716,254,047.70 = 646,342,512.60 : x
  2. Step 2: Convert to fraction form
    1,810,836,031.80/2,716,254,047.70 = 646,342,512.60/x
  3. Step 3: Cross multiply
    1,810,836,031.80x = 2,716,254,047.70 × 646,342,512.60
  4. Step 4: Simplify right side
    1,810,836,031.80x = 1,755,630,466,050,338,304
  5. Step 5: Solve for x
    x = 1,755,630,466,050,338,304/1,810,836,031.80
  6. Step 6: Final answer
    x = 969,513,768.90

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Double scale
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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.