Home / 30,428,865,193.96-45,646,425,358.14-10,531,720,132.60

Finding the Fourth Proportional to 30,428,865,193.96, 45,646,425,358.14 and 10,531,720,132.60

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Solution

The fourth proportional to 30,428,865,193.96, 45,646,425,358.14 and 10,531,720,132.60 is: 15,798,662,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428,865,193.96 : 45,646,425,358.14 = 10,531,720,132.60 : x
  2. Step 2: Convert to fraction form
    30,428,865,193.96/45,646,425,358.14 = 10,531,720,132.60/x
  3. Step 3: Cross multiply
    30,428,865,193.96x = 45,646,425,358.14 × 10,531,720,132.60
  4. Step 4: Simplify right side
    30,428,865,193.96x = 480,735,376,925,546,184,704
  5. Step 5: Solve for x
    x = 480,735,376,925,546,184,704/30,428,865,193.96
  6. Step 6: Final answer
    x = 15,798,662,679.70

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Double scale
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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.