Home / 1,155,874,953.30-1,595,107,435.65-627,238,939.38

Finding the Fourth Proportional to 1,155,874,953.30, 1,595,107,435.65 and 627,238,939.38

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Solution

The fourth proportional to 1,155,874,953.30, 1,595,107,435.65 and 627,238,939.38 is: 865,589,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,874,953.30 : 1,595,107,435.65 = 627,238,939.38 : x
  2. Step 2: Convert to fraction form
    1,155,874,953.30/1,595,107,435.65 = 627,238,939.38/x
  3. Step 3: Cross multiply
    1,155,874,953.30x = 1,595,107,435.65 × 627,238,939.38
  4. Step 4: Simplify right side
    1,155,874,953.30x = 1,000,513,496,136,578,432
  5. Step 5: Solve for x
    x = 1,000,513,496,136,578,432/1,155,874,953.30
  6. Step 6: Final answer
    x = 865,589,736.40

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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.