Home / 647,811,585.40-970,541,646.90-374,370,100.60

Finding the Fourth Proportional to 647,811,585.40, 970,541,646.90 and 374,370,100.60

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Solution

The fourth proportional to 647,811,585.40, 970,541,646.90 and 374,370,100.60 is: 560,875,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,811,585.40 : 970,541,646.90 = 374,370,100.60 : x
  2. Step 2: Convert to fraction form
    647,811,585.40/970,541,646.90 = 374,370,100.60/x
  3. Step 3: Cross multiply
    647,811,585.40x = 970,541,646.90 × 374,370,100.60
  4. Step 4: Simplify right side
    647,811,585.40x = 363,341,773,986,442,688
  5. Step 5: Solve for x
    x = 363,341,773,986,442,688/647,811,585.40
  6. Step 6: Final answer
    x = 560,875,696.23

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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.