Home / 289,533,421,049.76-434,362,958,966.49-88,069,920,113.04

Finding the Fourth Proportional to 289,533,421,049.76, 434,362,958,966.49 and 88,069,920,113.04

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Solution

The fourth proportional to 289,533,421,049.76, 434,362,958,966.49 and 88,069,920,113.04 is: 132,123,990,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533,421,049.76 : 434,362,958,966.49 = 88,069,920,113.04 : x
  2. Step 2: Convert to fraction form
    289,533,421,049.76/434,362,958,966.49 = 88,069,920,113.04/x
  3. Step 3: Cross multiply
    289,533,421,049.76x = 434,362,958,966.49 × 88,069,920,113.04
  4. Step 4: Simplify right side
    289,533,421,049.76x = 38,254,311,096,242,438,930,432
  5. Step 5: Solve for x
    x = 38,254,311,096,242,438,930,432/289,533,421,049.76
  6. Step 6: Final answer
    x = 132,123,990,928.38

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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.