Home / 923,542,307.79-1,274,472,632.72-500,152,528.72

Finding the Fourth Proportional to 923,542,307.79, 1,274,472,632.72 and 500,152,528.72

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Solution

The fourth proportional to 923,542,307.79, 1,274,472,632.72 and 500,152,528.72 is: 690,201,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,542,307.79 : 1,274,472,632.72 = 500,152,528.72 : x
  2. Step 2: Convert to fraction form
    923,542,307.79/1,274,472,632.72 = 500,152,528.72/x
  3. Step 3: Cross multiply
    923,542,307.79x = 1,274,472,632.72 × 500,152,528.72
  4. Step 4: Simplify right side
    923,542,307.79x = 637,430,710,030,470,656
  5. Step 5: Solve for x
    x = 637,430,710,030,470,656/923,542,307.79
  6. Step 6: Final answer
    x = 690,201,958.97

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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.