Home / 1,120,031,999.80-1,680,047,999.70-733,048,473.40

Finding the Fourth Proportional to 1,120,031,999.80, 1,680,047,999.70 and 733,048,473.40

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Solution

The fourth proportional to 1,120,031,999.80, 1,680,047,999.70 and 733,048,473.40 is: 1,099,572,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,031,999.80 : 1,680,047,999.70 = 733,048,473.40 : x
  2. Step 2: Convert to fraction form
    1,120,031,999.80/1,680,047,999.70 = 733,048,473.40/x
  3. Step 3: Cross multiply
    1,120,031,999.80x = 1,680,047,999.70 × 733,048,473.40
  4. Step 4: Simplify right side
    1,120,031,999.80x = 1,231,556,621,418,808,576
  5. Step 5: Solve for x
    x = 1,231,556,621,418,808,576/1,120,031,999.80
  6. Step 6: Final answer
    x = 1,099,572,710.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.