Home / 21,319,872,715.23-29,422,343,710.13-11,804,425,305.39

Finding the Fourth Proportional to 21,319,872,715.23, 29,422,343,710.13 and 11,804,425,305.39

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Solution

The fourth proportional to 21,319,872,715.23, 29,422,343,710.13 and 11,804,425,305.39 is: 16,290,615,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,872,715.23 : 29,422,343,710.13 = 11,804,425,305.39 : x
  2. Step 2: Convert to fraction form
    21,319,872,715.23/29,422,343,710.13 = 11,804,425,305.39/x
  3. Step 3: Cross multiply
    21,319,872,715.23x = 29,422,343,710.13 × 11,804,425,305.39
  4. Step 4: Simplify right side
    21,319,872,715.23x = 347,313,858,635,681,824,768
  5. Step 5: Solve for x
    x = 347,313,858,635,681,824,768/21,319,872,715.23
  6. Step 6: Final answer
    x = 16,290,615,956.05

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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.