Home / 907,545,956.40-1,361,318,934.60-887,390,564.40

Finding the Fourth Proportional to 907,545,956.40, 1,361,318,934.60 and 887,390,564.40

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Solution

The fourth proportional to 907,545,956.40, 1,361,318,934.60 and 887,390,564.40 is: 1,331,085,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,545,956.40 : 1,361,318,934.60 = 887,390,564.40 : x
  2. Step 2: Convert to fraction form
    907,545,956.40/1,361,318,934.60 = 887,390,564.40/x
  3. Step 3: Cross multiply
    907,545,956.40x = 1,361,318,934.60 × 887,390,564.40
  4. Step 4: Simplify right side
    907,545,956.40x = 1,208,021,577,703,100,672
  5. Step 5: Solve for x
    x = 1,208,021,577,703,100,672/907,545,956.40
  6. Step 6: Final answer
    x = 1,331,085,846.60

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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.