Home / 740,315,266.42-1,103,854,290.71-719,975,690.98

Finding the Fourth Proportional to 740,315,266.42, 1,103,854,290.71 and 719,975,690.98

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Solution

The fourth proportional to 740,315,266.42, 1,103,854,290.71 and 719,975,690.98 is: 1,073,526,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,315,266.42 : 1,103,854,290.71 = 719,975,690.98 : x
  2. Step 2: Convert to fraction form
    740,315,266.42/1,103,854,290.71 = 719,975,690.98/x
  3. Step 3: Cross multiply
    740,315,266.42x = 1,103,854,290.71 × 719,975,690.98
  4. Step 4: Simplify right side
    740,315,266.42x = 794,748,255,695,170,048
  5. Step 5: Solve for x
    x = 794,748,255,695,170,048/740,315,266.42
  6. Step 6: Final answer
    x = 1,073,526,768.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.