Home / 289,533,421,049.12-434,362,958,965.55-88,069,920,112.41

Finding the Fourth Proportional to 289,533,421,049.12, 434,362,958,965.55 and 88,069,920,112.41

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Solution

The fourth proportional to 289,533,421,049.12, 434,362,958,965.55 and 88,069,920,112.41 is: 132,123,990,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533,421,049.12 : 434,362,958,965.55 = 88,069,920,112.41 : x
  2. Step 2: Convert to fraction form
    289,533,421,049.12/434,362,958,965.55 = 88,069,920,112.41/x
  3. Step 3: Cross multiply
    289,533,421,049.12x = 434,362,958,965.55 × 88,069,920,112.41
  4. Step 4: Simplify right side
    289,533,421,049.12x = 38,254,311,095,886,015,365,120
  5. Step 5: Solve for x
    x = 38,254,311,095,886,015,365,120/289,533,421,049.12
  6. Step 6: Final answer
    x = 132,123,990,927.45

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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.