Home / 784,974,880.90-1,176,186,862.95-654,878,124.10

Finding the Fourth Proportional to 784,974,880.90, 1,176,186,862.95 and 654,878,124.10

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Solution

The fourth proportional to 784,974,880.90, 1,176,186,862.95 and 654,878,124.10 is: 981,253,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,974,880.90 : 1,176,186,862.95 = 654,878,124.10 : x
  2. Step 2: Convert to fraction form
    784,974,880.90/1,176,186,862.95 = 654,878,124.10/x
  3. Step 3: Cross multiply
    784,974,880.90x = 1,176,186,862.95 × 654,878,124.10
  4. Step 4: Simplify right side
    784,974,880.90x = 770,259,046,399,759,872
  5. Step 5: Solve for x
    x = 770,259,046,399,759,872/784,974,880.90
  6. Step 6: Final answer
    x = 981,253,114.13

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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.