Home / 20,155,444,813.80-30,233,167,220.70-7,070,564,327.40

Finding the Fourth Proportional to 20,155,444,813.80, 30,233,167,220.70 and 7,070,564,327.40

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Solution

The fourth proportional to 20,155,444,813.80, 30,233,167,220.70 and 7,070,564,327.40 is: 10,605,846,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,444,813.80 : 30,233,167,220.70 = 7,070,564,327.40 : x
  2. Step 2: Convert to fraction form
    20,155,444,813.80/30,233,167,220.70 = 7,070,564,327.40/x
  3. Step 3: Cross multiply
    20,155,444,813.80x = 30,233,167,220.70 × 7,070,564,327.40
  4. Step 4: Simplify right side
    20,155,444,813.80x = 213,765,553,655,000,432,640
  5. Step 5: Solve for x
    x = 213,765,553,655,000,432,640/20,155,444,813.80
  6. Step 6: Final answer
    x = 10,605,846,491.10

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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.