Home / 550,656,071.60-824,988,779.40-320,436,705.20

Finding the Fourth Proportional to 550,656,071.60, 824,988,779.40 and 320,436,705.20

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Solution

The fourth proportional to 550,656,071.60, 824,988,779.40 and 320,436,705.20 is: 480,075,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,656,071.60 : 824,988,779.40 = 320,436,705.20 : x
  2. Step 2: Convert to fraction form
    550,656,071.60/824,988,779.40 = 320,436,705.20/x
  3. Step 3: Cross multiply
    550,656,071.60x = 824,988,779.40 × 320,436,705.20
  4. Step 4: Simplify right side
    550,656,071.60x = 264,356,686,297,905,600
  5. Step 5: Solve for x
    x = 264,356,686,297,905,600/550,656,071.60
  6. Step 6: Final answer
    x = 480,075,858.48

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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.