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Finding the Fourth Proportional to 1,402,269,463, 1,935,188,837.58 and 775,727,088.76

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Solution

The fourth proportional to 1,402,269,463, 1,935,188,837.58 and 775,727,088.76 is: 1,070,534,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,269,463 : 1,935,188,837.58 = 775,727,088.76 : x
  2. Step 2: Convert to fraction form
    1,402,269,463/1,935,188,837.58 = 775,727,088.76/x
  3. Step 3: Cross multiply
    1,402,269,463x = 1,935,188,837.58 × 775,727,088.76
  4. Step 4: Simplify right side
    1,402,269,463x = 1,501,178,403,176,781,824
  5. Step 5: Solve for x
    x = 1,501,178,403,176,781,824/1,402,269,463
  6. Step 6: Final answer
    x = 1,070,534,902.73

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Double scale
Find fourth proportional to 1,402,269,464, 1,935,188,838.96 and 775,727,089.76
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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.