Home / 466,879,307.28-644,371,823.88-316,103,590.32

Finding the Fourth Proportional to 466,879,307.28, 644,371,823.88 and 316,103,590.32

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Solution

The fourth proportional to 466,879,307.28, 644,371,823.88 and 316,103,590.32 is: 436,276,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,879,307.28 : 644,371,823.88 = 316,103,590.32 : x
  2. Step 2: Convert to fraction form
    466,879,307.28/644,371,823.88 = 316,103,590.32/x
  3. Step 3: Cross multiply
    466,879,307.28x = 644,371,823.88 × 316,103,590.32
  4. Step 4: Simplify right side
    466,879,307.28x = 203,688,247,029,514,720
  5. Step 5: Solve for x
    x = 203,688,247,029,514,720/466,879,307.28
  6. Step 6: Final answer
    x = 436,276,022.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.