Home / 1,248,600,656.30-1,722,849,883.04-712,507,554.65

Finding the Fourth Proportional to 1,248,600,656.30, 1,722,849,883.04 and 712,507,554.65

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Solution

The fourth proportional to 1,248,600,656.30, 1,722,849,883.04 and 712,507,554.65 is: 983,135,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,600,656.30 : 1,722,849,883.04 = 712,507,554.65 : x
  2. Step 2: Convert to fraction form
    1,248,600,656.30/1,722,849,883.04 = 712,507,554.65/x
  3. Step 3: Cross multiply
    1,248,600,656.30x = 1,722,849,883.04 × 712,507,554.65
  4. Step 4: Simplify right side
    1,248,600,656.30x = 1,227,543,557,193,868,800
  5. Step 5: Solve for x
    x = 1,227,543,557,193,868,800/1,248,600,656.30
  6. Step 6: Final answer
    x = 983,135,441.26

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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.