Home / 338,281,639.60-507,422,459.40-299,314,548.40

Finding the Fourth Proportional to 338,281,639.60, 507,422,459.40 and 299,314,548.40

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Solution

The fourth proportional to 338,281,639.60, 507,422,459.40 and 299,314,548.40 is: 448,971,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,281,639.60 : 507,422,459.40 = 299,314,548.40 : x
  2. Step 2: Convert to fraction form
    338,281,639.60/507,422,459.40 = 299,314,548.40/x
  3. Step 3: Cross multiply
    338,281,639.60x = 507,422,459.40 × 299,314,548.40
  4. Step 4: Simplify right side
    338,281,639.60x = 151,878,924,283,328,320
  5. Step 5: Solve for x
    x = 151,878,924,283,328,320/338,281,639.60
  6. Step 6: Final answer
    x = 448,971,822.60

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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.