Home / 1,129,159,494.21-1,558,282,155.48-677,111,059.34

Finding the Fourth Proportional to 1,129,159,494.21, 1,558,282,155.48 and 677,111,059.34

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Solution

The fourth proportional to 1,129,159,494.21, 1,558,282,155.48 and 677,111,059.34 is: 934,438,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,159,494.21 : 1,558,282,155.48 = 677,111,059.34 : x
  2. Step 2: Convert to fraction form
    1,129,159,494.21/1,558,282,155.48 = 677,111,059.34/x
  3. Step 3: Cross multiply
    1,129,159,494.21x = 1,558,282,155.48 × 677,111,059.34
  4. Step 4: Simplify right side
    1,129,159,494.21x = 1,055,130,081,036,504,448
  5. Step 5: Solve for x
    x = 1,055,130,081,036,504,448/1,129,159,494.21
  6. Step 6: Final answer
    x = 934,438,479.64

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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.