Home / 1,020,381,516.59-1,408,036,666.46-568,225,324.58

Finding the Fourth Proportional to 1,020,381,516.59, 1,408,036,666.46 and 568,225,324.58

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Solution

The fourth proportional to 1,020,381,516.59, 1,408,036,666.46 and 568,225,324.58 is: 784,100,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,381,516.59 : 1,408,036,666.46 = 568,225,324.58 : x
  2. Step 2: Convert to fraction form
    1,020,381,516.59/1,408,036,666.46 = 568,225,324.58/x
  3. Step 3: Cross multiply
    1,020,381,516.59x = 1,408,036,666.46 × 568,225,324.58
  4. Step 4: Simplify right side
    1,020,381,516.59x = 800,082,091,809,893,376
  5. Step 5: Solve for x
    x = 800,082,091,809,893,376/1,020,381,516.59
  6. Step 6: Final answer
    x = 784,100,925.79

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Double scale
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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.