Home / 846,303,122.52-1,268,875,148.22-430,975,988.64

Finding the Fourth Proportional to 846,303,122.52, 1,268,875,148.22 and 430,975,988.64

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Solution

The fourth proportional to 846,303,122.52, 1,268,875,148.22 and 430,975,988.64 is: 646,168,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,303,122.52 : 1,268,875,148.22 = 430,975,988.64 : x
  2. Step 2: Convert to fraction form
    846,303,122.52/1,268,875,148.22 = 430,975,988.64/x
  3. Step 3: Cross multiply
    846,303,122.52x = 1,268,875,148.22 × 430,975,988.64
  4. Step 4: Simplify right side
    846,303,122.52x = 546,854,721,464,841,024
  5. Step 5: Solve for x
    x = 546,854,721,464,841,024/846,303,122.52
  6. Step 6: Final answer
    x = 646,168,857.13

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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.