Home / 647,428,982.40-971,143,473.60-579,404,534.40

Finding the Fourth Proportional to 647,428,982.40, 971,143,473.60 and 579,404,534.40

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Solution

The fourth proportional to 647,428,982.40, 971,143,473.60 and 579,404,534.40 is: 869,106,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,428,982.40 : 971,143,473.60 = 579,404,534.40 : x
  2. Step 2: Convert to fraction form
    647,428,982.40/971,143,473.60 = 579,404,534.40/x
  3. Step 3: Cross multiply
    647,428,982.40x = 971,143,473.60 × 579,404,534.40
  4. Step 4: Simplify right side
    647,428,982.40x = 562,684,932,156,806,656
  5. Step 5: Solve for x
    x = 562,684,932,156,806,656/647,428,982.40
  6. Step 6: Final answer
    x = 869,106,801.60

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1.5x scale

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.