Home / 2,485,688,842-3,430,201,979.10-1,356,666,698.35

Finding the Fourth Proportional to 2,485,688,842, 3,430,201,979.10 and 1,356,666,698.35

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Solution

The fourth proportional to 2,485,688,842, 3,430,201,979.10 and 1,356,666,698.35 is: 1,872,173,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,688,842 : 3,430,201,979.10 = 1,356,666,698.35 : x
  2. Step 2: Convert to fraction form
    2,485,688,842/3,430,201,979.10 = 1,356,666,698.35/x
  3. Step 3: Cross multiply
    2,485,688,842x = 3,430,201,979.10 × 1,356,666,698.35
  4. Step 4: Simplify right side
    2,485,688,842x = 4,653,640,793,659,232,256
  5. Step 5: Solve for x
    x = 4,653,640,793,659,232,256/2,485,688,842
  6. Step 6: Final answer
    x = 1,872,173,505.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.