Home / 289,573,600.40-434,360,400.60-238,555,264.40

Finding the Fourth Proportional to 289,573,600.40, 434,360,400.60 and 238,555,264.40

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Solution

The fourth proportional to 289,573,600.40, 434,360,400.60 and 238,555,264.40 is: 357,832,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,573,600.40 : 434,360,400.60 = 238,555,264.40 : x
  2. Step 2: Convert to fraction form
    289,573,600.40/434,360,400.60 = 238,555,264.40/x
  3. Step 3: Cross multiply
    289,573,600.40x = 434,360,400.60 × 238,555,264.40
  4. Step 4: Simplify right side
    289,573,600.40x = 103,618,960,210,022,928
  5. Step 5: Solve for x
    x = 103,618,960,210,022,928/289,573,600.40
  6. Step 6: Final answer
    x = 357,832,896.60

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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.