Home / 824,448,329.57-1,137,733,388.10-472,092,421.64

Finding the Fourth Proportional to 824,448,329.57, 1,137,733,388.10 and 472,092,421.64

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Solution

The fourth proportional to 824,448,329.57, 1,137,733,388.10 and 472,092,421.64 is: 651,484,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,448,329.57 : 1,137,733,388.10 = 472,092,421.64 : x
  2. Step 2: Convert to fraction form
    824,448,329.57/1,137,733,388.10 = 472,092,421.64/x
  3. Step 3: Cross multiply
    824,448,329.57x = 1,137,733,388.10 × 472,092,421.64
  4. Step 4: Simplify right side
    824,448,329.57x = 537,115,310,363,122,240
  5. Step 5: Solve for x
    x = 537,115,310,363,122,240/824,448,329.57
  6. Step 6: Final answer
    x = 651,484,503.15

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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.