Home / 434,554,386.40-651,831,579.60-386,937,272.80

Finding the Fourth Proportional to 434,554,386.40, 651,831,579.60 and 386,937,272.80

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Solution

The fourth proportional to 434,554,386.40, 651,831,579.60 and 386,937,272.80 is: 580,405,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554,386.40 : 651,831,579.60 = 386,937,272.80 : x
  2. Step 2: Convert to fraction form
    434,554,386.40/651,831,579.60 = 386,937,272.80/x
  3. Step 3: Cross multiply
    434,554,386.40x = 651,831,579.60 × 386,937,272.80
  4. Step 4: Simplify right side
    434,554,386.40x = 252,217,933,735,340,128
  5. Step 5: Solve for x
    x = 252,217,933,735,340,128/434,554,386.40
  6. Step 6: Final answer
    x = 580,405,909.20

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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.