Home / 448,141,409.40-672,212,114.10-371,613,905.40

Finding the Fourth Proportional to 448,141,409.40, 672,212,114.10 and 371,613,905.40

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Solution

The fourth proportional to 448,141,409.40, 672,212,114.10 and 371,613,905.40 is: 557,420,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,141,409.40 : 672,212,114.10 = 371,613,905.40 : x
  2. Step 2: Convert to fraction form
    448,141,409.40/672,212,114.10 = 371,613,905.40/x
  3. Step 3: Cross multiply
    448,141,409.40x = 672,212,114.10 × 371,613,905.40
  4. Step 4: Simplify right side
    448,141,409.40x = 249,803,368,977,891,392
  5. Step 5: Solve for x
    x = 249,803,368,977,891,392/448,141,409.40
  6. Step 6: Final answer
    x = 557,420,858.10

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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.