Home / 5,310,454,730.75-7,328,450,935.31-2,931,612,215.69

Finding the Fourth Proportional to 5,310,454,730.75, 7,328,450,935.31 and 2,931,612,215.69

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Solution

The fourth proportional to 5,310,454,730.75, 7,328,450,935.31 and 2,931,612,215.69 is: 4,045,637,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,454,730.75 : 7,328,450,935.31 = 2,931,612,215.69 : x
  2. Step 2: Convert to fraction form
    5,310,454,730.75/7,328,450,935.31 = 2,931,612,215.69/x
  3. Step 3: Cross multiply
    5,310,454,730.75x = 7,328,450,935.31 × 2,931,612,215.69
  4. Step 4: Simplify right side
    5,310,454,730.75x = 21,484,176,283,988,303,872
  5. Step 5: Solve for x
    x = 21,484,176,283,988,303,872/5,310,454,730.75
  6. Step 6: Final answer
    x = 4,045,637,779.30

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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.