Home / 314,930,290.20-472,395,435.30-286,232,476.20

Finding the Fourth Proportional to 314,930,290.20, 472,395,435.30 and 286,232,476.20

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Solution

The fourth proportional to 314,930,290.20, 472,395,435.30 and 286,232,476.20 is: 429,348,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,290.20 : 472,395,435.30 = 286,232,476.20 : x
  2. Step 2: Convert to fraction form
    314,930,290.20/472,395,435.30 = 286,232,476.20/x
  3. Step 3: Cross multiply
    314,930,290.20x = 472,395,435.30 × 286,232,476.20
  4. Step 4: Simplify right side
    314,930,290.20x = 135,214,915,191,495,888
  5. Step 5: Solve for x
    x = 135,214,915,191,495,888/314,930,290.20
  6. Step 6: Final answer
    x = 429,348,714.30

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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.