Home / 18,255,089,981.86-25,192,005,068.77-10,226,487,034.98

Finding the Fourth Proportional to 18,255,089,981.86, 25,192,005,068.77 and 10,226,487,034.98

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Solution

The fourth proportional to 18,255,089,981.86, 25,192,005,068.77 and 10,226,487,034.98 is: 14,112,541,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,089,981.86 : 25,192,005,068.77 = 10,226,487,034.98 : x
  2. Step 2: Convert to fraction form
    18,255,089,981.86/25,192,005,068.77 = 10,226,487,034.98/x
  3. Step 3: Cross multiply
    18,255,089,981.86x = 25,192,005,068.77 × 10,226,487,034.98
  4. Step 4: Simplify right side
    18,255,089,981.86x = 257,625,713,220,749,754,368
  5. Step 5: Solve for x
    x = 257,625,713,220,749,754,368/18,255,089,981.86
  6. Step 6: Final answer
    x = 14,112,541,404.99

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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.