Home / 9,678,005,209.68-13,355,129,055.20-5,332,597,907.36

Finding the Fourth Proportional to 9,678,005,209.68, 13,355,129,055.20 and 5,332,597,907.36

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Solution

The fourth proportional to 9,678,005,209.68, 13,355,129,055.20 and 5,332,597,907.36 is: 7,358,699,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678,005,209.68 : 13,355,129,055.20 = 5,332,597,907.36 : x
  2. Step 2: Convert to fraction form
    9,678,005,209.68/13,355,129,055.20 = 5,332,597,907.36/x
  3. Step 3: Cross multiply
    9,678,005,209.68x = 13,355,129,055.20 × 5,332,597,907.36
  4. Step 4: Simplify right side
    9,678,005,209.68x = 71,217,533,252,282,253,312
  5. Step 5: Solve for x
    x = 71,217,533,252,282,253,312/9,678,005,209.68
  6. Step 6: Final answer
    x = 7,358,699,619.32

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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.