Home / 1,208,688,028.40-1,813,032,042.60-841,356,009.20

Finding the Fourth Proportional to 1,208,688,028.40, 1,813,032,042.60 and 841,356,009.20

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Solution

The fourth proportional to 1,208,688,028.40, 1,813,032,042.60 and 841,356,009.20 is: 1,262,034,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,688,028.40 : 1,813,032,042.60 = 841,356,009.20 : x
  2. Step 2: Convert to fraction form
    1,208,688,028.40/1,813,032,042.60 = 841,356,009.20/x
  3. Step 3: Cross multiply
    1,208,688,028.40x = 1,813,032,042.60 × 841,356,009.20
  4. Step 4: Simplify right side
    1,208,688,028.40x = 1,525,405,403,913,660,416
  5. Step 5: Solve for x
    x = 1,525,405,403,913,660,416/1,208,688,028.40
  6. Step 6: Final answer
    x = 1,262,034,013.80

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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.