Home / 289,705,432.20-434,558,148.30-197,872,427.40

Finding the Fourth Proportional to 289,705,432.20, 434,558,148.30 and 197,872,427.40

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Solution

The fourth proportional to 289,705,432.20, 434,558,148.30 and 197,872,427.40 is: 296,808,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,705,432.20 : 434,558,148.30 = 197,872,427.40 : x
  2. Step 2: Convert to fraction form
    289,705,432.20/434,558,148.30 = 197,872,427.40/x
  3. Step 3: Cross multiply
    289,705,432.20x = 434,558,148.30 × 197,872,427.40
  4. Step 4: Simplify right side
    289,705,432.20x = 85,987,075,650,570,192
  5. Step 5: Solve for x
    x = 85,987,075,650,570,192/289,705,432.20
  6. Step 6: Final answer
    x = 296,808,641.10

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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.