Home / 990,111,639.42-1,366,364,938.19-544,075,118.10

Finding the Fourth Proportional to 990,111,639.42, 1,366,364,938.19 and 544,075,118.10

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Solution

The fourth proportional to 990,111,639.42, 1,366,364,938.19 and 544,075,118.10 is: 750,829,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,111,639.42 : 1,366,364,938.19 = 544,075,118.10 : x
  2. Step 2: Convert to fraction form
    990,111,639.42/1,366,364,938.19 = 544,075,118.10/x
  3. Step 3: Cross multiply
    990,111,639.42x = 1,366,364,938.19 × 544,075,118.10
  4. Step 4: Simplify right side
    990,111,639.42x = 743,405,165,110,703,104
  5. Step 5: Solve for x
    x = 743,405,165,110,703,104/990,111,639.42
  6. Step 6: Final answer
    x = 750,829,639.32

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Double scale
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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.