Home / 12,771,359,698.20-19,157,039,547.30-7,547,082,091.80

Finding the Fourth Proportional to 12,771,359,698.20, 19,157,039,547.30 and 7,547,082,091.80

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Solution

The fourth proportional to 12,771,359,698.20, 19,157,039,547.30 and 7,547,082,091.80 is: 11,320,623,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,359,698.20 : 19,157,039,547.30 = 7,547,082,091.80 : x
  2. Step 2: Convert to fraction form
    12,771,359,698.20/19,157,039,547.30 = 7,547,082,091.80/x
  3. Step 3: Cross multiply
    12,771,359,698.20x = 19,157,039,547.30 × 7,547,082,091.80
  4. Step 4: Simplify right side
    12,771,359,698.20x = 144,579,750,099,332,202,496
  5. Step 5: Solve for x
    x = 144,579,750,099,332,202,496/12,771,359,698.20
  6. Step 6: Final answer
    x = 11,320,623,137.70

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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.