Home / 42,413,565,624.80-63,620,348,437.20-18,806,743,828.40

Finding the Fourth Proportional to 42,413,565,624.80, 63,620,348,437.20 and 18,806,743,828.40

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Solution

The fourth proportional to 42,413,565,624.80, 63,620,348,437.20 and 18,806,743,828.40 is: 28,210,115,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413,565,624.80 : 63,620,348,437.20 = 18,806,743,828.40 : x
  2. Step 2: Convert to fraction form
    42,413,565,624.80/63,620,348,437.20 = 18,806,743,828.40/x
  3. Step 3: Cross multiply
    42,413,565,624.80x = 63,620,348,437.20 × 18,806,743,828.40
  4. Step 4: Simplify right side
    42,413,565,624.80x = 1,196,491,595,331,968,696,320
  5. Step 5: Solve for x
    x = 1,196,491,595,331,968,696,320/42,413,565,624.80
  6. Step 6: Final answer
    x = 28,210,115,742.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.