Home / 840,120,291.66-1,159,335,611.16-463,768,796.01

Finding the Fourth Proportional to 840,120,291.66, 1,159,335,611.16 and 463,768,796.01

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Solution

The fourth proportional to 840,120,291.66, 1,159,335,611.16 and 463,768,796.01 is: 639,984,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,120,291.66 : 1,159,335,611.16 = 463,768,796.01 : x
  2. Step 2: Convert to fraction form
    840,120,291.66/1,159,335,611.16 = 463,768,796.01/x
  3. Step 3: Cross multiply
    840,120,291.66x = 1,159,335,611.16 × 463,768,796.01
  4. Step 4: Simplify right side
    840,120,291.66x = 537,663,680,559,190,720
  5. Step 5: Solve for x
    x = 537,663,680,559,190,720/840,120,291.66
  6. Step 6: Final answer
    x = 639,984,161.67

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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.