Home / 1,181,957,336.80-1,772,936,005.20-637,761,752.80

Finding the Fourth Proportional to 1,181,957,336.80, 1,772,936,005.20 and 637,761,752.80

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Solution

The fourth proportional to 1,181,957,336.80, 1,772,936,005.20 and 637,761,752.80 is: 956,642,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,957,336.80 : 1,772,936,005.20 = 637,761,752.80 : x
  2. Step 2: Convert to fraction form
    1,181,957,336.80/1,772,936,005.20 = 637,761,752.80/x
  3. Step 3: Cross multiply
    1,181,957,336.80x = 1,772,936,005.20 × 637,761,752.80
  4. Step 4: Simplify right side
    1,181,957,336.80x = 1,130,710,774,278,581,888
  5. Step 5: Solve for x
    x = 1,130,710,774,278,581,888/1,181,957,336.80
  6. Step 6: Final answer
    x = 956,642,629.20

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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.