Home / 1,404,102,447.20-2,106,153,670.80-678,508,335.20

Finding the Fourth Proportional to 1,404,102,447.20, 2,106,153,670.80 and 678,508,335.20

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Solution

The fourth proportional to 1,404,102,447.20, 2,106,153,670.80 and 678,508,335.20 is: 1,017,762,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,102,447.20 : 2,106,153,670.80 = 678,508,335.20 : x
  2. Step 2: Convert to fraction form
    1,404,102,447.20/2,106,153,670.80 = 678,508,335.20/x
  3. Step 3: Cross multiply
    1,404,102,447.20x = 2,106,153,670.80 × 678,508,335.20
  4. Step 4: Simplify right side
    1,404,102,447.20x = 1,429,042,820,849,876,992
  5. Step 5: Solve for x
    x = 1,429,042,820,849,876,992/1,404,102,447.20
  6. Step 6: Final answer
    x = 1,017,762,502.80

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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.