Home / 385,929,219,222.16-578,872,879,359.24-117,297,255,085.76

Finding the Fourth Proportional to 385,929,219,222.16, 578,872,879,359.24 and 117,297,255,085.76

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Solution

The fourth proportional to 385,929,219,222.16, 578,872,879,359.24 and 117,297,255,085.76 is: 175,939,515,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,929,219,222.16 : 578,872,879,359.24 = 117,297,255,085.76 : x
  2. Step 2: Convert to fraction form
    385,929,219,222.16/578,872,879,359.24 = 117,297,255,085.76/x
  3. Step 3: Cross multiply
    385,929,219,222.16x = 578,872,879,359.24 × 117,297,255,085.76
  4. Step 4: Simplify right side
    385,929,219,222.16x = 67,900,199,792,429,146,046,464
  5. Step 5: Solve for x
    x = 67,900,199,792,429,146,046,464/385,929,219,222.16
  6. Step 6: Final answer
    x = 175,939,515,357.98

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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.