Home / 766,537,566.90-1,149,974,311.95-248,879,915.70

Finding the Fourth Proportional to 766,537,566.90, 1,149,974,311.95 and 248,879,915.70

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Solution

The fourth proportional to 766,537,566.90, 1,149,974,311.95 and 248,879,915.70 is: 373,374,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,537,566.90 : 1,149,974,311.95 = 248,879,915.70 : x
  2. Step 2: Convert to fraction form
    766,537,566.90/1,149,974,311.95 = 248,879,915.70/x
  3. Step 3: Cross multiply
    766,537,566.90x = 1,149,974,311.95 × 248,879,915.70
  4. Step 4: Simplify right side
    766,537,566.90x = 286,205,509,815,281,504
  5. Step 5: Solve for x
    x = 286,205,509,815,281,504/766,537,566.90
  6. Step 6: Final answer
    x = 373,374,407.43

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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.