Home / 1,240,713,051.60-1,861,069,577.40-1,105,115,880.45

Finding the Fourth Proportional to 1,240,713,051.60, 1,861,069,577.40 and 1,105,115,880.45

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Solution

The fourth proportional to 1,240,713,051.60, 1,861,069,577.40 and 1,105,115,880.45 is: 1,657,673,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,713,051.60 : 1,861,069,577.40 = 1,105,115,880.45 : x
  2. Step 2: Convert to fraction form
    1,240,713,051.60/1,861,069,577.40 = 1,105,115,880.45/x
  3. Step 3: Cross multiply
    1,240,713,051.60x = 1,861,069,577.40 × 1,105,115,880.45
  4. Step 4: Simplify right side
    1,240,713,051.60x = 2,056,697,544,607,110,656
  5. Step 5: Solve for x
    x = 2,056,697,544,607,110,656/1,240,713,051.60
  6. Step 6: Final answer
    x = 1,657,673,820.68

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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.