Home / 749,882,642.40-1,124,823,963.60-265,208,450.40

Finding the Fourth Proportional to 749,882,642.40, 1,124,823,963.60 and 265,208,450.40

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Solution

The fourth proportional to 749,882,642.40, 1,124,823,963.60 and 265,208,450.40 is: 397,812,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,882,642.40 : 1,124,823,963.60 = 265,208,450.40 : x
  2. Step 2: Convert to fraction form
    749,882,642.40/1,124,823,963.60 = 265,208,450.40/x
  3. Step 3: Cross multiply
    749,882,642.40x = 1,124,823,963.60 × 265,208,450.40
  4. Step 4: Simplify right side
    749,882,642.40x = 298,312,820,359,142,016
  5. Step 5: Solve for x
    x = 298,312,820,359,142,016/749,882,642.40
  6. Step 6: Final answer
    x = 397,812,675.60

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1.5x scale

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.