Home / 909,656,740.32-1,255,326,300.66-491,969,025.12

Finding the Fourth Proportional to 909,656,740.32, 1,255,326,300.66 and 491,969,025.12

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Solution

The fourth proportional to 909,656,740.32, 1,255,326,300.66 and 491,969,025.12 is: 678,917,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,656,740.32 : 1,255,326,300.66 = 491,969,025.12 : x
  2. Step 2: Convert to fraction form
    909,656,740.32/1,255,326,300.66 = 491,969,025.12/x
  3. Step 3: Cross multiply
    909,656,740.32x = 1,255,326,300.66 × 491,969,025.12
  4. Step 4: Simplify right side
    909,656,740.32x = 617,581,656,343,196,288
  5. Step 5: Solve for x
    x = 617,581,656,343,196,288/909,656,740.32
  6. Step 6: Final answer
    x = 678,917,254.13

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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.