Home / 917,435,204.37-1,266,019,741.20-535,992,594.75

Finding the Fourth Proportional to 917,435,204.37, 1,266,019,741.20 and 535,992,594.75

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Solution

The fourth proportional to 917,435,204.37, 1,266,019,741.20 and 535,992,594.75 is: 739,645,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,435,204.37 : 1,266,019,741.20 = 535,992,594.75 : x
  2. Step 2: Convert to fraction form
    917,435,204.37/1,266,019,741.20 = 535,992,594.75/x
  3. Step 3: Cross multiply
    917,435,204.37x = 1,266,019,741.20 × 535,992,594.75
  4. Step 4: Simplify right side
    917,435,204.37x = 678,577,206,090,511,488
  5. Step 5: Solve for x
    x = 678,577,206,090,511,488/917,435,204.37
  6. Step 6: Final answer
    x = 739,645,920.34

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Double scale
Find fourth proportional to 917,435,205.37, 1,266,019,742.58 and 535,992,595.75
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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.