Home / 20,974,700,209.16-28,945,097,901.98-11,329,430,134.52

Finding the Fourth Proportional to 20,974,700,209.16, 28,945,097,901.98 and 11,329,430,134.52

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Solution

The fourth proportional to 20,974,700,209.16, 28,945,097,901.98 and 11,329,430,134.52 is: 15,634,619,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974,700,209.16 : 28,945,097,901.98 = 11,329,430,134.52 : x
  2. Step 2: Convert to fraction form
    20,974,700,209.16/28,945,097,901.98 = 11,329,430,134.52/x
  3. Step 3: Cross multiply
    20,974,700,209.16x = 28,945,097,901.98 × 11,329,430,134.52
  4. Step 4: Simplify right side
    20,974,700,209.16x = 327,931,464,417,323,843,584
  5. Step 5: Solve for x
    x = 327,931,464,417,323,843,584/20,974,700,209.16
  6. Step 6: Final answer
    x = 15,634,619,858.55

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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.