Home / 1,323,080,237.37-1,984,675,126.74-390,403,066.80

Finding the Fourth Proportional to 1,323,080,237.37, 1,984,675,126.74 and 390,403,066.80

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Solution

The fourth proportional to 1,323,080,237.37, 1,984,675,126.74 and 390,403,066.80 is: 585,620,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,080,237.37 : 1,984,675,126.74 = 390,403,066.80 : x
  2. Step 2: Convert to fraction form
    1,323,080,237.37/1,984,675,126.74 = 390,403,066.80/x
  3. Step 3: Cross multiply
    1,323,080,237.37x = 1,984,675,126.74 × 390,403,066.80
  4. Step 4: Simplify right side
    1,323,080,237.37x = 774,823,256,080,974,720
  5. Step 5: Solve for x
    x = 774,823,256,080,974,720/1,323,080,237.37
  6. Step 6: Final answer
    x = 585,620,761.46

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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.