Home / 647,466,686.40-971,200,029.60-579,442,238.40

Finding the Fourth Proportional to 647,466,686.40, 971,200,029.60 and 579,442,238.40

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Solution

The fourth proportional to 647,466,686.40, 971,200,029.60 and 579,442,238.40 is: 869,163,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,466,686.40 : 971,200,029.60 = 579,442,238.40 : x
  2. Step 2: Convert to fraction form
    647,466,686.40/971,200,029.60 = 579,442,238.40/x
  3. Step 3: Cross multiply
    647,466,686.40x = 971,200,029.60 × 579,442,238.40
  4. Step 4: Simplify right side
    647,466,686.40x = 562,754,319,085,570,240
  5. Step 5: Solve for x
    x = 562,754,319,085,570,240/647,466,686.40
  6. Step 6: Final answer
    x = 869,163,357.60

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