Home / 338,281,641.60-507,422,462.40-299,314,550.40

Finding the Fourth Proportional to 338,281,641.60, 507,422,462.40 and 299,314,550.40

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Solution

The fourth proportional to 338,281,641.60, 507,422,462.40 and 299,314,550.40 is: 448,971,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,281,641.60 : 507,422,462.40 = 299,314,550.40 : x
  2. Step 2: Convert to fraction form
    338,281,641.60/507,422,462.40 = 299,314,550.40/x
  3. Step 3: Cross multiply
    338,281,641.60x = 507,422,462.40 × 299,314,550.40
  4. Step 4: Simplify right side
    338,281,641.60x = 151,878,926,196,116,896
  5. Step 5: Solve for x
    x = 151,878,926,196,116,896/338,281,641.60
  6. Step 6: Final answer
    x = 448,971,825.60

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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.