Home / 1,345,307,767.20-2,017,961,650.80-619,713,655.20

Finding the Fourth Proportional to 1,345,307,767.20, 2,017,961,650.80 and 619,713,655.20

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Solution

The fourth proportional to 1,345,307,767.20, 2,017,961,650.80 and 619,713,655.20 is: 929,570,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,307,767.20 : 2,017,961,650.80 = 619,713,655.20 : x
  2. Step 2: Convert to fraction form
    1,345,307,767.20/2,017,961,650.80 = 619,713,655.20/x
  3. Step 3: Cross multiply
    1,345,307,767.20x = 2,017,961,650.80 × 619,713,655.20
  4. Step 4: Simplify right side
    1,345,307,767.20x = 1,250,558,390,670,694,144
  5. Step 5: Solve for x
    x = 1,250,558,390,670,694,144/1,345,307,767.20
  6. Step 6: Final answer
    x = 929,570,482.80

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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.