Home / 1,551,978,280.35-2,141,410,311.68-891,801,012.51

Finding the Fourth Proportional to 1,551,978,280.35, 2,141,410,311.68 and 891,801,012.51

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Solution

The fourth proportional to 1,551,978,280.35, 2,141,410,311.68 and 891,801,012.51 is: 1,230,501,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,978,280.35 : 2,141,410,311.68 = 891,801,012.51 : x
  2. Step 2: Convert to fraction form
    1,551,978,280.35/2,141,410,311.68 = 891,801,012.51/x
  3. Step 3: Cross multiply
    1,551,978,280.35x = 2,141,410,311.68 × 891,801,012.51
  4. Step 4: Simplify right side
    1,551,978,280.35x = 1,909,711,884,151,119,616
  5. Step 5: Solve for x
    x = 1,909,711,884,151,119,616/1,551,978,280.35
  6. Step 6: Final answer
    x = 1,230,501,681.84

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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.