Home / 1,551,978,281.35-2,141,410,313.05-891,801,013.51

Finding the Fourth Proportional to 1,551,978,281.35, 2,141,410,313.05 and 891,801,013.51

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Solution

The fourth proportional to 1,551,978,281.35, 2,141,410,313.05 and 891,801,013.51 is: 1,230,501,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,978,281.35 : 2,141,410,313.05 = 891,801,013.51 : x
  2. Step 2: Convert to fraction form
    1,551,978,281.35/2,141,410,313.05 = 891,801,013.51/x
  3. Step 3: Cross multiply
    1,551,978,281.35x = 2,141,410,313.05 × 891,801,013.51
  4. Step 4: Simplify right side
    1,551,978,281.35x = 1,909,711,887,518,756,352
  5. Step 5: Solve for x
    x = 1,909,711,887,518,756,352/1,551,978,281.35
  6. Step 6: Final answer
    x = 1,230,501,683.22

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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.