Home / 385,993,731,460.80-578,990,597,191.20-260,611,068,907.20

Finding the Fourth Proportional to 385,993,731,460.80, 578,990,597,191.20 and 260,611,068,907.20

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Solution

The fourth proportional to 385,993,731,460.80, 578,990,597,191.20 and 260,611,068,907.20 is: 390,916,603,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,993,731,460.80 : 578,990,597,191.20 = 260,611,068,907.20 : x
  2. Step 2: Convert to fraction form
    385,993,731,460.80/578,990,597,191.20 = 260,611,068,907.20/x
  3. Step 3: Cross multiply
    385,993,731,460.80x = 578,990,597,191.20 × 260,611,068,907.20
  4. Step 4: Simplify right side
    385,993,731,460.80x = 150,891,358,421,216,697,253,888
  5. Step 5: Solve for x
    x = 150,891,358,421,216,697,253,888/385,993,731,460.80
  6. Step 6: Final answer
    x = 390,916,603,360.80

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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.