Home / 21,319,872,677.21-29,422,343,658.02-11,804,425,267.39

Finding the Fourth Proportional to 21,319,872,677.21, 29,422,343,658.02 and 11,804,425,267.39

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Solution

The fourth proportional to 21,319,872,677.21, 29,422,343,658.02 and 11,804,425,267.39 is: 16,290,615,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,872,677.21 : 29,422,343,658.02 = 11,804,425,267.39 : x
  2. Step 2: Convert to fraction form
    21,319,872,677.21/29,422,343,658.02 = 11,804,425,267.39/x
  3. Step 3: Cross multiply
    21,319,872,677.21x = 29,422,343,658.02 × 11,804,425,267.39
  4. Step 4: Simplify right side
    21,319,872,677.21x = 347,313,856,902,445,334,528
  5. Step 5: Solve for x
    x = 347,313,856,902,445,334,528/21,319,872,677.21
  6. Step 6: Final answer
    x = 16,290,615,903.80

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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.