Home / 916,343,820.80-1,373,004,076.80-780,294,924.80

Finding the Fourth Proportional to 916,343,820.80, 1,373,004,076.80 and 780,294,924.80

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Solution

The fourth proportional to 916,343,820.80, 1,373,004,076.80 and 780,294,924.80 is: 1,169,155,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,343,820.80 : 1,373,004,076.80 = 780,294,924.80 : x
  2. Step 2: Convert to fraction form
    916,343,820.80/1,373,004,076.80 = 780,294,924.80/x
  3. Step 3: Cross multiply
    916,343,820.80x = 1,373,004,076.80 × 780,294,924.80
  4. Step 4: Simplify right side
    916,343,820.80x = 1,071,348,112,856,749,312
  5. Step 5: Solve for x
    x = 1,071,348,112,856,749,312/916,343,820.80
  6. Step 6: Final answer
    x = 1,169,155,167.02

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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.