Home / 909,963,052.97-1,255,736,782.88-508,083,050.81

Finding the Fourth Proportional to 909,963,052.97, 1,255,736,782.88 and 508,083,050.81

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Solution

The fourth proportional to 909,963,052.97, 1,255,736,782.88 and 508,083,050.81 is: 701,147,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,963,052.97 : 1,255,736,782.88 = 508,083,050.81 : x
  2. Step 2: Convert to fraction form
    909,963,052.97/1,255,736,782.88 = 508,083,050.81/x
  3. Step 3: Cross multiply
    909,963,052.97x = 1,255,736,782.88 × 508,083,050.81
  4. Step 4: Simplify right side
    909,963,052.97x = 638,018,575,651,185,920
  5. Step 5: Solve for x
    x = 638,018,575,651,185,920/909,963,052.97
  6. Step 6: Final answer
    x = 701,147,781.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.