Home / 557,037,904.68-768,696,052.66-318,875,194.58

Finding the Fourth Proportional to 557,037,904.68, 768,696,052.66 and 318,875,194.58

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Solution

The fourth proportional to 557,037,904.68, 768,696,052.66 and 318,875,194.58 is: 440,038,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,037,904.68 : 768,696,052.66 = 318,875,194.58 : x
  2. Step 2: Convert to fraction form
    557,037,904.68/768,696,052.66 = 318,875,194.58/x
  3. Step 3: Cross multiply
    557,037,904.68x = 768,696,052.66 × 318,875,194.58
  4. Step 4: Simplify right side
    557,037,904.68x = 245,118,103,360,194,752
  5. Step 5: Solve for x
    x = 245,118,103,360,194,752/557,037,904.68
  6. Step 6: Final answer
    x = 440,038,462.91

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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.