Home / 1,026,031,556.45-1,415,925,634.31-556,133,195.72

Finding the Fourth Proportional to 1,026,031,556.45, 1,415,925,634.31 and 556,133,195.72

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Solution

The fourth proportional to 1,026,031,556.45, 1,415,925,634.31 and 556,133,195.72 is: 767,464,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,031,556.45 : 1,415,925,634.31 = 556,133,195.72 : x
  2. Step 2: Convert to fraction form
    1,026,031,556.45/1,415,925,634.31 = 556,133,195.72/x
  3. Step 3: Cross multiply
    1,026,031,556.45x = 1,415,925,634.31 × 556,133,195.72
  4. Step 4: Simplify right side
    1,026,031,556.45x = 787,443,247,915,618,432
  5. Step 5: Solve for x
    x = 787,443,247,915,618,432/1,026,031,556.45
  6. Step 6: Final answer
    x = 767,464,940.98

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Double scale
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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.