Home / 971,412,736.40-1,457,221,164.62-316,414,828.88

Finding the Fourth Proportional to 971,412,736.40, 1,457,221,164.62 and 316,414,828.88

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Solution

The fourth proportional to 971,412,736.40, 1,457,221,164.62 and 316,414,828.88 is: 474,655,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,412,736.40 : 1,457,221,164.62 = 316,414,828.88 : x
  2. Step 2: Convert to fraction form
    971,412,736.40/1,457,221,164.62 = 316,414,828.88/x
  3. Step 3: Cross multiply
    971,412,736.40x = 1,457,221,164.62 × 316,414,828.88
  4. Step 4: Simplify right side
    971,412,736.40x = 461,086,385,443,551,552
  5. Step 5: Solve for x
    x = 461,086,385,443,551,552/971,412,736.40
  6. Step 6: Final answer
    x = 474,655,486.97

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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.