Home / 12,771,359,621.70-19,157,039,432.55-7,547,082,015.30

Finding the Fourth Proportional to 12,771,359,621.70, 19,157,039,432.55 and 7,547,082,015.30

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Solution

The fourth proportional to 12,771,359,621.70, 19,157,039,432.55 and 7,547,082,015.30 is: 11,320,623,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,359,621.70 : 19,157,039,432.55 = 7,547,082,015.30 : x
  2. Step 2: Convert to fraction form
    12,771,359,621.70/19,157,039,432.55 = 7,547,082,015.30/x
  3. Step 3: Cross multiply
    12,771,359,621.70x = 19,157,039,432.55 × 7,547,082,015.30
  4. Step 4: Simplify right side
    12,771,359,621.70x = 144,579,747,767,791,026,176
  5. Step 5: Solve for x
    x = 144,579,747,767,791,026,176/12,771,359,621.70
  6. Step 6: Final answer
    x = 11,320,623,022.95

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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.