Home / 943,612,382.40-1,415,418,573.60-535,465,694.40

Finding the Fourth Proportional to 943,612,382.40, 1,415,418,573.60 and 535,465,694.40

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Solution

The fourth proportional to 943,612,382.40, 1,415,418,573.60 and 535,465,694.40 is: 803,198,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,612,382.40 : 1,415,418,573.60 = 535,465,694.40 : x
  2. Step 2: Convert to fraction form
    943,612,382.40/1,415,418,573.60 = 535,465,694.40/x
  3. Step 3: Cross multiply
    943,612,382.40x = 1,415,418,573.60 × 535,465,694.40
  4. Step 4: Simplify right side
    943,612,382.40x = 757,908,089,379,381,376
  5. Step 5: Solve for x
    x = 757,908,089,379,381,376/943,612,382.40
  6. Step 6: Final answer
    x = 803,198,541.60

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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.