Home / 1,575,936,387.20-2,363,904,580.80-427,079,043.20

Finding the Fourth Proportional to 1,575,936,387.20, 2,363,904,580.80 and 427,079,043.20

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Solution

The fourth proportional to 1,575,936,387.20, 2,363,904,580.80 and 427,079,043.20 is: 640,618,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,936,387.20 : 2,363,904,580.80 = 427,079,043.20 : x
  2. Step 2: Convert to fraction form
    1,575,936,387.20/2,363,904,580.80 = 427,079,043.20/x
  3. Step 3: Cross multiply
    1,575,936,387.20x = 2,363,904,580.80 × 427,079,043.20
  4. Step 4: Simplify right side
    1,575,936,387.20x = 1,009,574,106,584,161,152
  5. Step 5: Solve for x
    x = 1,009,574,106,584,161,152/1,575,936,387.20
  6. Step 6: Final answer
    x = 640,618,564.80

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Double scale
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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.