Home / 1,508,952,715.08-2,082,354,846.96-839,883,401.40

Finding the Fourth Proportional to 1,508,952,715.08, 2,082,354,846.96 and 839,883,401.40

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Solution

The fourth proportional to 1,508,952,715.08, 2,082,354,846.96 and 839,883,401.40 is: 1,159,039,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,952,715.08 : 2,082,354,846.96 = 839,883,401.40 : x
  2. Step 2: Convert to fraction form
    1,508,952,715.08/2,082,354,846.96 = 839,883,401.40/x
  3. Step 3: Cross multiply
    1,508,952,715.08x = 2,082,354,846.96 × 839,883,401.40
  4. Step 4: Simplify right side
    1,508,952,715.08x = 1,748,935,271,786,541,312
  5. Step 5: Solve for x
    x = 1,748,935,271,786,541,312/1,508,952,715.08
  6. Step 6: Final answer
    x = 1,159,039,149.68

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Double scale
Find fourth proportional to 1,508,952,716.08, 2,082,354,848.34 and 839,883,402.40
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.