Home / 647,849,015,667.20-893,692,690,326.38-400,572,249,797.48

Finding the Fourth Proportional to 647,849,015,667.20, 893,692,690,326.38 and 400,572,249,797.48

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Solution

The fourth proportional to 647,849,015,667.20, 893,692,690,326.38 and 400,572,249,797.48 is: 552,580,127,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,849,015,667.20 : 893,692,690,326.38 = 400,572,249,797.48 : x
  2. Step 2: Convert to fraction form
    647,849,015,667.20/893,692,690,326.38 = 400,572,249,797.48/x
  3. Step 3: Cross multiply
    647,849,015,667.20x = 893,692,690,326.38 × 400,572,249,797.48
  4. Step 4: Simplify right side
    647,849,015,667.20x = 357,988,491,591,600,610,213,888
  5. Step 5: Solve for x
    x = 357,988,491,591,600,610,213,888/647,849,015,667.20
  6. Step 6: Final answer
    x = 552,580,127,366.44

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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.