Home / 9,190,115,156.90-12,688,214,583.95-7,500,599,879.42

Finding the Fourth Proportional to 9,190,115,156.90, 12,688,214,583.95 and 7,500,599,879.42

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Solution

The fourth proportional to 9,190,115,156.90, 12,688,214,583.95 and 7,500,599,879.42 is: 10,355,606,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,115,156.90 : 12,688,214,583.95 = 7,500,599,879.42 : x
  2. Step 2: Convert to fraction form
    9,190,115,156.90/12,688,214,583.95 = 7,500,599,879.42/x
  3. Step 3: Cross multiply
    9,190,115,156.90x = 12,688,214,583.95 × 7,500,599,879.42
  4. Step 4: Simplify right side
    9,190,115,156.90x = 95,169,220,778,329,505,792
  5. Step 5: Solve for x
    x = 95,169,220,778,329,505,792/9,190,115,156.90
  6. Step 6: Final answer
    x = 10,355,606,992.25

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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.