Home / 895,941,820.48-1,236,336,576.88-499,447,271.65

Finding the Fourth Proportional to 895,941,820.48, 1,236,336,576.88 and 499,447,271.65

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Solution

The fourth proportional to 895,941,820.48, 1,236,336,576.88 and 499,447,271.65 is: 689,202,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,941,820.48 : 1,236,336,576.88 = 499,447,271.65 : x
  2. Step 2: Convert to fraction form
    895,941,820.48/1,236,336,576.88 = 499,447,271.65/x
  3. Step 3: Cross multiply
    895,941,820.48x = 1,236,336,576.88 × 499,447,271.65
  4. Step 4: Simplify right side
    895,941,820.48x = 617,484,930,163,816,448
  5. Step 5: Solve for x
    x = 617,484,930,163,816,448/895,941,820.48
  6. Step 6: Final answer
    x = 689,202,039.74

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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.