Home / 8,243,417,901.19-11,347,196,648.84-7,184,325,075.52

Finding the Fourth Proportional to 8,243,417,901.19, 11,347,196,648.84 and 7,184,325,075.52

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Solution

The fourth proportional to 8,243,417,901.19, 11,347,196,648.84 and 7,184,325,075.52 is: 9,889,338,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243,417,901.19 : 11,347,196,648.84 = 7,184,325,075.52 : x
  2. Step 2: Convert to fraction form
    8,243,417,901.19/11,347,196,648.84 = 7,184,325,075.52/x
  3. Step 3: Cross multiply
    8,243,417,901.19x = 11,347,196,648.84 × 7,184,325,075.52
  4. Step 4: Simplify right side
    8,243,417,901.19x = 81,521,949,421,126,434,816
  5. Step 5: Solve for x
    x = 81,521,949,421,126,434,816/8,243,417,901.19
  6. Step 6: Final answer
    x = 9,889,338,427.13

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Double scale
Find fourth proportional to 8,243,417,902.19, 11,347,196,650.22 and 7,184,325,076.52
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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.