Home / 20,698,210,066.20-31,047,315,099.30-13,259,736,677.40

Finding the Fourth Proportional to 20,698,210,066.20, 31,047,315,099.30 and 13,259,736,677.40

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Solution

The fourth proportional to 20,698,210,066.20, 31,047,315,099.30 and 13,259,736,677.40 is: 19,889,605,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698,210,066.20 : 31,047,315,099.30 = 13,259,736,677.40 : x
  2. Step 2: Convert to fraction form
    20,698,210,066.20/31,047,315,099.30 = 13,259,736,677.40/x
  3. Step 3: Cross multiply
    20,698,210,066.20x = 31,047,315,099.30 × 13,259,736,677.40
  4. Step 4: Simplify right side
    20,698,210,066.20x = 411,679,222,756,982,980,608
  5. Step 5: Solve for x
    x = 411,679,222,756,982,980,608/20,698,210,066.20
  6. Step 6: Final answer
    x = 19,889,605,016.10

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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.