Home / 2,100,803,531.76-2,899,117,879.02-1,148,203,456.20

Finding the Fourth Proportional to 2,100,803,531.76, 2,899,117,879.02 and 1,148,203,456.20

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Solution

The fourth proportional to 2,100,803,531.76, 2,899,117,879.02 and 1,148,203,456.20 is: 1,584,525,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,803,531.76 : 2,899,117,879.02 = 1,148,203,456.20 : x
  2. Step 2: Convert to fraction form
    2,100,803,531.76/2,899,117,879.02 = 1,148,203,456.20/x
  3. Step 3: Cross multiply
    2,100,803,531.76x = 2,899,117,879.02 × 1,148,203,456.20
  4. Step 4: Simplify right side
    2,100,803,531.76x = 3,328,777,168,621,977,600
  5. Step 5: Solve for x
    x = 3,328,777,168,621,977,600/2,100,803,531.76
  6. Step 6: Final answer
    x = 1,584,525,691.38

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Double scale
Find fourth proportional to 2,100,803,532.76, 2,899,117,880.40 and 1,148,203,457.20
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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.