Home / 2,784,358,829.10-4,178,378,239.71-1,310,920,013.11

Finding the Fourth Proportional to 2,784,358,829.10, 4,178,378,239.71 and 1,310,920,013.11

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Solution

The fourth proportional to 2,784,358,829.10, 4,178,378,239.71 and 1,310,920,013.11 is: 1,967,246,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,358,829.10 : 4,178,378,239.71 = 1,310,920,013.11 : x
  2. Step 2: Convert to fraction form
    2,784,358,829.10/4,178,378,239.71 = 1,310,920,013.11/x
  3. Step 3: Cross multiply
    2,784,358,829.10x = 4,178,378,239.71 × 1,310,920,013.11
  4. Step 4: Simplify right side
    2,784,358,829.10x = 5,477,519,656,779,171,840
  5. Step 5: Solve for x
    x = 5,477,519,656,779,171,840/2,784,358,829.10
  6. Step 6: Final answer
    x = 1,967,246,318.80

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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.