Home / 385,929,219,225.88-578,872,879,364.85-117,297,255,089.53

Finding the Fourth Proportional to 385,929,219,225.88, 578,872,879,364.85 and 117,297,255,089.53

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Solution

The fourth proportional to 385,929,219,225.88, 578,872,879,364.85 and 117,297,255,089.53 is: 175,939,515,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,929,219,225.88 : 578,872,879,364.85 = 117,297,255,089.53 : x
  2. Step 2: Convert to fraction form
    385,929,219,225.88/578,872,879,364.85 = 117,297,255,089.53/x
  3. Step 3: Cross multiply
    385,929,219,225.88x = 578,872,879,364.85 × 117,297,255,089.53
  4. Step 4: Simplify right side
    385,929,219,225.88x = 67,900,199,795,269,537,103,872
  5. Step 5: Solve for x
    x = 67,900,199,795,269,537,103,872/385,929,219,225.88
  6. Step 6: Final answer
    x = 175,939,515,363.64

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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.