Home / 28,157,082,897.65-38,860,105,545.68-16,725,696,914.50

Finding the Fourth Proportional to 28,157,082,897.65, 38,860,105,545.68 and 16,725,696,914.50

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Solution

The fourth proportional to 28,157,082,897.65, 38,860,105,545.68 and 16,725,696,914.50 is: 23,083,440,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157,082,897.65 : 38,860,105,545.68 = 16,725,696,914.50 : x
  2. Step 2: Convert to fraction form
    28,157,082,897.65/38,860,105,545.68 = 16,725,696,914.50/x
  3. Step 3: Cross multiply
    28,157,082,897.65x = 38,860,105,545.68 × 16,725,696,914.50
  4. Step 4: Simplify right side
    28,157,082,897.65x = 649,962,347,422,302,076,928
  5. Step 5: Solve for x
    x = 649,962,347,422,302,076,928/28,157,082,897.65
  6. Step 6: Final answer
    x = 23,083,440,489.38

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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.