Home / 1,889,584,297.20-2,834,376,445.80-579,688,520.40

Finding the Fourth Proportional to 1,889,584,297.20, 2,834,376,445.80 and 579,688,520.40

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Solution

The fourth proportional to 1,889,584,297.20, 2,834,376,445.80 and 579,688,520.40 is: 869,532,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,584,297.20 : 2,834,376,445.80 = 579,688,520.40 : x
  2. Step 2: Convert to fraction form
    1,889,584,297.20/2,834,376,445.80 = 579,688,520.40/x
  3. Step 3: Cross multiply
    1,889,584,297.20x = 2,834,376,445.80 × 579,688,520.40
  4. Step 4: Simplify right side
    1,889,584,297.20x = 1,643,055,488,122,412,800
  5. Step 5: Solve for x
    x = 1,643,055,488,122,412,800/1,889,584,297.20
  6. Step 6: Final answer
    x = 869,532,780.60

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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.