Home / 690,439,724.88-953,033,884.20-549,569,346

Finding the Fourth Proportional to 690,439,724.88, 953,033,884.20 and 549,569,346

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Solution

The fourth proportional to 690,439,724.88, 953,033,884.20 and 549,569,346 is: 758,586,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,439,724.88 : 953,033,884.20 = 549,569,346 : x
  2. Step 2: Convert to fraction form
    690,439,724.88/953,033,884.20 = 549,569,346/x
  3. Step 3: Cross multiply
    690,439,724.88x = 953,033,884.20 × 549,569,346
  4. Step 4: Simplify right side
    690,439,724.88x = 523,758,208,455,633,728
  5. Step 5: Solve for x
    x = 523,758,208,455,633,728/690,439,724.88
  6. Step 6: Final answer
    x = 758,586,433.52

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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.