Home / 907,558,331.40-1,361,337,497.10-887,402,939.40

Finding the Fourth Proportional to 907,558,331.40, 1,361,337,497.10 and 887,402,939.40

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Solution

The fourth proportional to 907,558,331.40, 1,361,337,497.10 and 887,402,939.40 is: 1,331,104,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,558,331.40 : 1,361,337,497.10 = 887,402,939.40 : x
  2. Step 2: Convert to fraction form
    907,558,331.40/1,361,337,497.10 = 887,402,939.40/x
  3. Step 3: Cross multiply
    907,558,331.40x = 1,361,337,497.10 × 887,402,939.40
  4. Step 4: Simplify right side
    907,558,331.40x = 1,208,054,896,441,978,880
  5. Step 5: Solve for x
    x = 1,208,054,896,441,978,880/907,558,331.40
  6. Step 6: Final answer
    x = 1,331,104,409.10

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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.