Home / 615,934,134.25-849,779,853.09-351,426,107.05

Finding the Fourth Proportional to 615,934,134.25, 849,779,853.09 and 351,426,107.05

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Solution

The fourth proportional to 615,934,134.25, 849,779,853.09 and 351,426,107.05 is: 484,848,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,934,134.25 : 849,779,853.09 = 351,426,107.05 : x
  2. Step 2: Convert to fraction form
    615,934,134.25/849,779,853.09 = 351,426,107.05/x
  3. Step 3: Cross multiply
    615,934,134.25x = 849,779,853.09 × 351,426,107.05
  4. Step 4: Simplify right side
    615,934,134.25x = 298,634,825,620,939,648
  5. Step 5: Solve for x
    x = 298,634,825,620,939,648/615,934,134.25
  6. Step 6: Final answer
    x = 484,848,637.24

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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.