Home / 730,480,307.42-1,008,035,817.28-395,945,647.10

Finding the Fourth Proportional to 730,480,307.42, 1,008,035,817.28 and 395,945,647.10

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Solution

The fourth proportional to 730,480,307.42, 1,008,035,817.28 and 395,945,647.10 is: 546,390,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,480,307.42 : 1,008,035,817.28 = 395,945,647.10 : x
  2. Step 2: Convert to fraction form
    730,480,307.42/1,008,035,817.28 = 395,945,647.10/x
  3. Step 3: Cross multiply
    730,480,307.42x = 1,008,035,817.28 × 395,945,647.10
  4. Step 4: Simplify right side
    730,480,307.42x = 399,127,393,978,549,632
  5. Step 5: Solve for x
    x = 399,127,393,978,549,632/730,480,307.42
  6. Step 6: Final answer
    x = 546,390,354.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.