Home / 727,177,692.30-1,090,766,538.45-715,698,566.70

Finding the Fourth Proportional to 727,177,692.30, 1,090,766,538.45 and 715,698,566.70

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Solution

The fourth proportional to 727,177,692.30, 1,090,766,538.45 and 715,698,566.70 is: 1,073,547,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,177,692.30 : 1,090,766,538.45 = 715,698,566.70 : x
  2. Step 2: Convert to fraction form
    727,177,692.30/1,090,766,538.45 = 715,698,566.70/x
  3. Step 3: Cross multiply
    727,177,692.30x = 1,090,766,538.45 × 715,698,566.70
  4. Step 4: Simplify right side
    727,177,692.30x = 780,660,048,172,985,472
  5. Step 5: Solve for x
    x = 780,660,048,172,985,472/727,177,692.30
  6. Step 6: Final answer
    x = 1,073,547,850.05

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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.