Home / 758,211,941.48-1,137,360,455.58-212,910,959.72

Finding the Fourth Proportional to 758,211,941.48, 1,137,360,455.58 and 212,910,959.72

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Solution

The fourth proportional to 758,211,941.48, 1,137,360,455.58 and 212,910,959.72 is: 319,378,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,211,941.48 : 1,137,360,455.58 = 212,910,959.72 : x
  2. Step 2: Convert to fraction form
    758,211,941.48/1,137,360,455.58 = 212,910,959.72/x
  3. Step 3: Cross multiply
    758,211,941.48x = 1,137,360,455.58 × 212,910,959.72
  4. Step 4: Simplify right side
    758,211,941.48x = 242,156,506,145,114,208
  5. Step 5: Solve for x
    x = 242,156,506,145,114,208/758,211,941.48
  6. Step 6: Final answer
    x = 319,378,386.04

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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.