Home / 1,122,349,122.82-1,548,779,313.90-620,528,894.56

Finding the Fourth Proportional to 1,122,349,122.82, 1,548,779,313.90 and 620,528,894.56

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Solution

The fourth proportional to 1,122,349,122.82, 1,548,779,313.90 and 620,528,894.56 is: 856,295,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,349,122.82 : 1,548,779,313.90 = 620,528,894.56 : x
  2. Step 2: Convert to fraction form
    1,122,349,122.82/1,548,779,313.90 = 620,528,894.56/x
  3. Step 3: Cross multiply
    1,122,349,122.82x = 1,548,779,313.90 × 620,528,894.56
  4. Step 4: Simplify right side
    1,122,349,122.82x = 961,062,315,571,762,176
  5. Step 5: Solve for x
    x = 961,062,315,571,762,176/1,122,349,122.82
  6. Step 6: Final answer
    x = 856,295,332.74

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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.