Home / 403,065,329.46-556,212,261.60-224,458,430.40

Finding the Fourth Proportional to 403,065,329.46, 556,212,261.60 and 224,458,430.40

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Solution

The fourth proportional to 403,065,329.46, 556,212,261.60 and 224,458,430.40 is: 309,742,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,065,329.46 : 556,212,261.60 = 224,458,430.40 : x
  2. Step 2: Convert to fraction form
    403,065,329.46/556,212,261.60 = 224,458,430.40/x
  3. Step 3: Cross multiply
    403,065,329.46x = 556,212,261.60 × 224,458,430.40
  4. Step 4: Simplify right side
    403,065,329.46x = 124,846,531,207,970,208
  5. Step 5: Solve for x
    x = 124,846,531,207,970,208/403,065,329.46
  6. Step 6: Final answer
    x = 309,742,669.69

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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.