Home / 1,127,535,009.60-1,690,798,629.60-437,212,833.60

Finding the Fourth Proportional to 1,127,535,009.60, 1,690,798,629.60 and 437,212,833.60

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Solution

The fourth proportional to 1,127,535,009.60, 1,690,798,629.60 and 437,212,833.60 is: 655,623,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,535,009.60 : 1,690,798,629.60 = 437,212,833.60 : x
  2. Step 2: Convert to fraction form
    1,127,535,009.60/1,690,798,629.60 = 437,212,833.60/x
  3. Step 3: Cross multiply
    1,127,535,009.60x = 1,690,798,629.60 × 437,212,833.60
  4. Step 4: Simplify right side
    1,127,535,009.60x = 739,238,859,894,412,800
  5. Step 5: Solve for x
    x = 739,238,859,894,412,800/1,127,535,009.60
  6. Step 6: Final answer
    x = 655,623,864.09

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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.