Home / 1,160,249,534.60-1,740,374,301.90-394,344,638.60

Finding the Fourth Proportional to 1,160,249,534.60, 1,740,374,301.90 and 394,344,638.60

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Solution

The fourth proportional to 1,160,249,534.60, 1,740,374,301.90 and 394,344,638.60 is: 591,516,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,249,534.60 : 1,740,374,301.90 = 394,344,638.60 : x
  2. Step 2: Convert to fraction form
    1,160,249,534.60/1,740,374,301.90 = 394,344,638.60/x
  3. Step 3: Cross multiply
    1,160,249,534.60x = 1,740,374,301.90 × 394,344,638.60
  4. Step 4: Simplify right side
    1,160,249,534.60x = 686,307,275,111,482,880
  5. Step 5: Solve for x
    x = 686,307,275,111,482,880/1,160,249,534.60
  6. Step 6: Final answer
    x = 591,516,957.90

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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.