Home / 27,620,957,196.80-38,116,849,237.92-15,413,534,319.68

Finding the Fourth Proportional to 27,620,957,196.80, 38,116,849,237.92 and 15,413,534,319.68

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Solution

The fourth proportional to 27,620,957,196.80, 38,116,849,237.92 and 15,413,534,319.68 is: 21,270,637,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620,957,196.80 : 38,116,849,237.92 = 15,413,534,319.68 : x
  2. Step 2: Convert to fraction form
    27,620,957,196.80/38,116,849,237.92 = 15,413,534,319.68/x
  3. Step 3: Cross multiply
    27,620,957,196.80x = 38,116,849,237.92 × 15,413,534,319.68
  4. Step 4: Simplify right side
    27,620,957,196.80x = 587,515,363,886,748,336,128
  5. Step 5: Solve for x
    x = 587,515,363,886,748,336,128/27,620,957,196.80
  6. Step 6: Final answer
    x = 21,270,637,353.39

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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.