Home / 1,697,584,286.40-2,547,720,122.40-662,940,830.40

Finding the Fourth Proportional to 1,697,584,286.40, 2,547,720,122.40 and 662,940,830.40

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Solution

The fourth proportional to 1,697,584,286.40, 2,547,720,122.40 and 662,940,830.40 is: 994,935,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,584,286.40 : 2,547,720,122.40 = 662,940,830.40 : x
  2. Step 2: Convert to fraction form
    1,697,584,286.40/2,547,720,122.40 = 662,940,830.40/x
  3. Step 3: Cross multiply
    1,697,584,286.40x = 2,547,720,122.40 × 662,940,830.40
  4. Step 4: Simplify right side
    1,697,584,286.40x = 1,688,987,693,570,645,760
  5. Step 5: Solve for x
    x = 1,688,987,693,570,645,760/1,697,584,286.40
  6. Step 6: Final answer
    x = 994,935,984.68

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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.