Home / 854,637,705.60-1,281,956,558.40-845,567,779.20

Finding the Fourth Proportional to 854,637,705.60, 1,281,956,558.40 and 845,567,779.20

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Solution

The fourth proportional to 854,637,705.60, 1,281,956,558.40 and 845,567,779.20 is: 1,268,351,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,637,705.60 : 1,281,956,558.40 = 845,567,779.20 : x
  2. Step 2: Convert to fraction form
    854,637,705.60/1,281,956,558.40 = 845,567,779.20/x
  3. Step 3: Cross multiply
    854,637,705.60x = 1,281,956,558.40 × 845,567,779.20
  4. Step 4: Simplify right side
    854,637,705.60x = 1,083,981,160,117,163,264
  5. Step 5: Solve for x
    x = 1,083,981,160,117,163,264/854,637,705.60
  6. Step 6: Final answer
    x = 1,268,351,668.80

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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.