Home / 9,789,142,750.89-13,509,018,939.11-5,333,807,125.77

Finding the Fourth Proportional to 9,789,142,750.89, 13,509,018,939.11 and 5,333,807,125.77

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Solution

The fourth proportional to 9,789,142,750.89, 13,509,018,939.11 and 5,333,807,125.77 is: 7,360,654,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,142,750.89 : 13,509,018,939.11 = 5,333,807,125.77 : x
  2. Step 2: Convert to fraction form
    9,789,142,750.89/13,509,018,939.11 = 5,333,807,125.77/x
  3. Step 3: Cross multiply
    9,789,142,750.89x = 13,509,018,939.11 × 5,333,807,125.77
  4. Step 4: Simplify right side
    9,789,142,750.89x = 72,054,501,479,560,134,656
  5. Step 5: Solve for x
    x = 72,054,501,479,560,134,656/9,789,142,750.89
  6. Step 6: Final answer
    x = 7,360,654,892.18

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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.