Home / 768,537,336.80-1,152,806,017.25-186,271,582.30

Finding the Fourth Proportional to 768,537,336.80, 1,152,806,017.25 and 186,271,582.30

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Solution

The fourth proportional to 768,537,336.80, 1,152,806,017.25 and 186,271,582.30 is: 279,407,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,537,336.80 : 1,152,806,017.25 = 186,271,582.30 : x
  2. Step 2: Convert to fraction form
    768,537,336.80/1,152,806,017.25 = 186,271,582.30/x
  3. Step 3: Cross multiply
    768,537,336.80x = 1,152,806,017.25 × 186,271,582.30
  4. Step 4: Simplify right side
    768,537,336.80x = 214,735,000,915,702,272
  5. Step 5: Solve for x
    x = 214,735,000,915,702,272/768,537,336.80
  6. Step 6: Final answer
    x = 279,407,376.37

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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.