Home / 854,637,706.10-1,281,956,559.15-845,567,779.70

Finding the Fourth Proportional to 854,637,706.10, 1,281,956,559.15 and 845,567,779.70

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Solution

The fourth proportional to 854,637,706.10, 1,281,956,559.15 and 845,567,779.70 is: 1,268,351,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,637,706.10 : 1,281,956,559.15 = 845,567,779.70 : x
  2. Step 2: Convert to fraction form
    854,637,706.10/1,281,956,559.15 = 845,567,779.70/x
  3. Step 3: Cross multiply
    854,637,706.10x = 1,281,956,559.15 × 845,567,779.70
  4. Step 4: Simplify right side
    854,637,706.10x = 1,083,981,161,392,317,312
  5. Step 5: Solve for x
    x = 1,083,981,161,392,317,312/854,637,706.10
  6. Step 6: Final answer
    x = 1,268,351,669.55

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1.5x scale

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.