Home / 28,157,082,901.32-38,860,105,550.74-16,725,696,918.18

Finding the Fourth Proportional to 28,157,082,901.32, 38,860,105,550.74 and 16,725,696,918.18

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Solution

The fourth proportional to 28,157,082,901.32, 38,860,105,550.74 and 16,725,696,918.18 is: 23,083,440,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157,082,901.32 : 38,860,105,550.74 = 16,725,696,918.18 : x
  2. Step 2: Convert to fraction form
    28,157,082,901.32/38,860,105,550.74 = 16,725,696,918.18/x
  3. Step 3: Cross multiply
    28,157,082,901.32x = 38,860,105,550.74 × 16,725,696,918.18
  4. Step 4: Simplify right side
    28,157,082,901.32x = 649,962,347,650,161,442,816
  5. Step 5: Solve for x
    x = 649,962,347,650,161,442,816/28,157,082,901.32
  6. Step 6: Final answer
    x = 23,083,440,494.46

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Double scale
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1.5x scale

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.