Home / 448,458,935.40-672,688,403.10-206,594,231.40

Finding the Fourth Proportional to 448,458,935.40, 672,688,403.10 and 206,594,231.40

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Solution

The fourth proportional to 448,458,935.40, 672,688,403.10 and 206,594,231.40 is: 309,891,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,458,935.40 : 672,688,403.10 = 206,594,231.40 : x
  2. Step 2: Convert to fraction form
    448,458,935.40/672,688,403.10 = 206,594,231.40/x
  3. Step 3: Cross multiply
    448,458,935.40x = 672,688,403.10 × 206,594,231.40
  4. Step 4: Simplify right side
    448,458,935.40x = 138,973,543,610,137,888
  5. Step 5: Solve for x
    x = 138,973,543,610,137,888/448,458,935.40
  6. Step 6: Final answer
    x = 309,891,347.10

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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.