Home / 453,492,025.80-680,238,038.70-146,815,139.40

Finding the Fourth Proportional to 453,492,025.80, 680,238,038.70 and 146,815,139.40

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Solution

The fourth proportional to 453,492,025.80, 680,238,038.70 and 146,815,139.40 is: 220,222,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,492,025.80 : 680,238,038.70 = 146,815,139.40 : x
  2. Step 2: Convert to fraction form
    453,492,025.80/680,238,038.70 = 146,815,139.40/x
  3. Step 3: Cross multiply
    453,492,025.80x = 680,238,038.70 × 146,815,139.40
  4. Step 4: Simplify right side
    453,492,025.80x = 99,869,242,476,923,104
  5. Step 5: Solve for x
    x = 99,869,242,476,923,104/453,492,025.80
  6. Step 6: Final answer
    x = 220,222,709.10

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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.