Home / 314,929,407.60-472,394,111.40-249,881,029.20

Finding the Fourth Proportional to 314,929,407.60, 472,394,111.40 and 249,881,029.20

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Solution

The fourth proportional to 314,929,407.60, 472,394,111.40 and 249,881,029.20 is: 374,821,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,407.60 : 472,394,111.40 = 249,881,029.20 : x
  2. Step 2: Convert to fraction form
    314,929,407.60/472,394,111.40 = 249,881,029.20/x
  3. Step 3: Cross multiply
    314,929,407.60x = 472,394,111.40 × 249,881,029.20
  4. Step 4: Simplify right side
    314,929,407.60x = 118,042,326,744,651,440
  5. Step 5: Solve for x
    x = 118,042,326,744,651,440/314,929,407.60
  6. Step 6: Final answer
    x = 374,821,543.80

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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.