Home / 907,545,911.40-1,361,318,867.10-887,390,519.40

Finding the Fourth Proportional to 907,545,911.40, 1,361,318,867.10 and 887,390,519.40

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Solution

The fourth proportional to 907,545,911.40, 1,361,318,867.10 and 887,390,519.40 is: 1,331,085,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,545,911.40 : 1,361,318,867.10 = 887,390,519.40 : x
  2. Step 2: Convert to fraction form
    907,545,911.40/1,361,318,867.10 = 887,390,519.40/x
  3. Step 3: Cross multiply
    907,545,911.40x = 1,361,318,867.10 × 887,390,519.40
  4. Step 4: Simplify right side
    907,545,911.40x = 1,208,021,456,544,888,576
  5. Step 5: Solve for x
    x = 1,208,021,456,544,888,576/907,545,911.40
  6. Step 6: Final answer
    x = 1,331,085,779.10

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Double scale
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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.