Home / 895,717,568.65-1,236,095,981.23-499,265,695.03

Finding the Fourth Proportional to 895,717,568.65, 1,236,095,981.23 and 499,265,695.03

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Solution

The fourth proportional to 895,717,568.65, 1,236,095,981.23 and 499,265,695.03 is: 688,989,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,717,568.65 : 1,236,095,981.23 = 499,265,695.03 : x
  2. Step 2: Convert to fraction form
    895,717,568.65/1,236,095,981.23 = 499,265,695.03/x
  3. Step 3: Cross multiply
    895,717,568.65x = 1,236,095,981.23 × 499,265,695.03
  4. Step 4: Simplify right side
    895,717,568.65x = 617,140,319,192,585,728
  5. Step 5: Solve for x
    x = 617,140,319,192,585,728/895,717,568.65
  6. Step 6: Final answer
    x = 688,989,856.62

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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.