Home / 1,170,357,207.80-1,755,532,312.32-296,956,887.80

Finding the Fourth Proportional to 1,170,357,207.80, 1,755,532,312.32 and 296,956,887.80

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Solution

The fourth proportional to 1,170,357,207.80, 1,755,532,312.32 and 296,956,887.80 is: 445,434,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,357,207.80 : 1,755,532,312.32 = 296,956,887.80 : x
  2. Step 2: Convert to fraction form
    1,170,357,207.80/1,755,532,312.32 = 296,956,887.80/x
  3. Step 3: Cross multiply
    1,170,357,207.80x = 1,755,532,312.32 × 296,956,887.80
  4. Step 4: Simplify right side
    1,170,357,207.80x = 521,317,411,898,884,800
  5. Step 5: Solve for x
    x = 521,317,411,898,884,800/1,170,357,207.80
  6. Step 6: Final answer
    x = 445,434,443.80

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Double scale
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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.