Home / 670,373,488.81-1,004,908,079.43-320,528,643.85

Finding the Fourth Proportional to 670,373,488.81, 1,004,908,079.43 and 320,528,643.85

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Solution

The fourth proportional to 670,373,488.81, 1,004,908,079.43 and 320,528,643.85 is: 480,481,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,373,488.81 : 1,004,908,079.43 = 320,528,643.85 : x
  2. Step 2: Convert to fraction form
    670,373,488.81/1,004,908,079.43 = 320,528,643.85/x
  3. Step 3: Cross multiply
    670,373,488.81x = 1,004,908,079.43 × 320,528,643.85
  4. Step 4: Simplify right side
    670,373,488.81x = 322,101,823,893,606,016
  5. Step 5: Solve for x
    x = 322,101,823,893,606,016/670,373,488.81
  6. Step 6: Final answer
    x = 480,481,148.60

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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.