Home / 971,843,313.60-1,457,892,842.40-358,858,123.20

Finding the Fourth Proportional to 971,843,313.60, 1,457,892,842.40 and 358,858,123.20

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Solution

The fourth proportional to 971,843,313.60, 1,457,892,842.40 and 358,858,123.20 is: 538,334,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,843,313.60 : 1,457,892,842.40 = 358,858,123.20 : x
  2. Step 2: Convert to fraction form
    971,843,313.60/1,457,892,842.40 = 358,858,123.20/x
  3. Step 3: Cross multiply
    971,843,313.60x = 1,457,892,842.40 × 358,858,123.20
  4. Step 4: Simplify right side
    971,843,313.60x = 523,176,689,250,377,408
  5. Step 5: Solve for x
    x = 523,176,689,250,377,408/971,843,313.60
  6. Step 6: Final answer
    x = 538,334,402.19

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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.