Home / 692,925,904.79-956,002,339.90-395,354,374.19

Finding the Fourth Proportional to 692,925,904.79, 956,002,339.90 and 395,354,374.19

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Solution

The fourth proportional to 692,925,904.79, 956,002,339.90 and 395,354,374.19 is: 545,454,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,925,904.79 : 956,002,339.90 = 395,354,374.19 : x
  2. Step 2: Convert to fraction form
    692,925,904.79/956,002,339.90 = 395,354,374.19/x
  3. Step 3: Cross multiply
    692,925,904.79x = 956,002,339.90 × 395,354,374.19
  4. Step 4: Simplify right side
    692,925,904.79x = 377,959,706,815,340,160
  5. Step 5: Solve for x
    x = 377,959,706,815,340,160/692,925,904.79
  6. Step 6: Final answer
    x = 545,454,722.07

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1.5x scale

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.