Home / 957,595,293.10-1,321,480,907.40-517,562,145.10

Finding the Fourth Proportional to 957,595,293.10, 1,321,480,907.40 and 517,562,145.10

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Solution

The fourth proportional to 957,595,293.10, 1,321,480,907.40 and 517,562,145.10 is: 714,235,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,595,293.10 : 1,321,480,907.40 = 517,562,145.10 : x
  2. Step 2: Convert to fraction form
    957,595,293.10/1,321,480,907.40 = 517,562,145.10/x
  3. Step 3: Cross multiply
    957,595,293.10x = 1,321,480,907.40 × 517,562,145.10
  4. Step 4: Simplify right side
    957,595,293.10x = 683,948,493,142,638,592
  5. Step 5: Solve for x
    x = 683,948,493,142,638,592/957,595,293.10
  6. Step 6: Final answer
    x = 714,235,437.53

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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.