Home / 990,111,435.71-1,366,364,656.40-544,074,914.27

Finding the Fourth Proportional to 990,111,435.71, 1,366,364,656.40 and 544,074,914.27

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Solution

The fourth proportional to 990,111,435.71, 1,366,364,656.40 and 544,074,914.27 is: 750,829,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,435.71 : 1,366,364,656.40 = 544,074,914.27 : x
  2. Step 2: Convert to fraction form
    990,111,435.71/1,366,364,656.40 = 544,074,914.27/x
  3. Step 3: Cross multiply
    990,111,435.71x = 1,366,364,656.40 × 544,074,914.27
  4. Step 4: Simplify right side
    990,111,435.71x = 743,404,733,282,835,840
  5. Step 5: Solve for x
    x = 743,404,733,282,835,840/990,111,435.71
  6. Step 6: Final answer
    x = 750,829,357.66

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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.