Home / 1,235,714,972.20-1,853,572,458.30-653,224,143.40

Finding the Fourth Proportional to 1,235,714,972.20, 1,853,572,458.30 and 653,224,143.40

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Solution

The fourth proportional to 1,235,714,972.20, 1,853,572,458.30 and 653,224,143.40 is: 979,836,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,714,972.20 : 1,853,572,458.30 = 653,224,143.40 : x
  2. Step 2: Convert to fraction form
    1,235,714,972.20/1,853,572,458.30 = 653,224,143.40/x
  3. Step 3: Cross multiply
    1,235,714,972.20x = 1,853,572,458.30 × 653,224,143.40
  4. Step 4: Simplify right side
    1,235,714,972.20x = 1,210,798,281,302,849,536
  5. Step 5: Solve for x
    x = 1,210,798,281,302,849,536/1,235,714,972.20
  6. Step 6: Final answer
    x = 979,836,215.10

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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.