Home / 859,628,632.10-1,286,466,878.55-514,829,711.30

Finding the Fourth Proportional to 859,628,632.10, 1,286,466,878.55 and 514,829,711.30

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Solution

The fourth proportional to 859,628,632.10, 1,286,466,878.55 and 514,829,711.30 is: 770,462,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,628,632.10 : 1,286,466,878.55 = 514,829,711.30 : x
  2. Step 2: Convert to fraction form
    859,628,632.10/1,286,466,878.55 = 514,829,711.30/x
  3. Step 3: Cross multiply
    859,628,632.10x = 1,286,466,878.55 × 514,829,711.30
  4. Step 4: Simplify right side
    859,628,632.10x = 662,311,371,680,908,672
  5. Step 5: Solve for x
    x = 662,311,371,680,908,672/859,628,632.10
  6. Step 6: Final answer
    x = 770,462,205.36

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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.