Home / 1,512,330,148,972.40-2,087,021,893,499.40-817,870,706,749.60

Finding the Fourth Proportional to 1,512,330,148,972.40, 2,087,021,893,499.40 and 817,870,706,749.60

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Solution

The fourth proportional to 1,512,330,148,972.40, 2,087,021,893,499.40 and 817,870,706,749.60 is: 1,128,664,975,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,330,148,972.40 : 2,087,021,893,499.40 = 817,870,706,749.60 : x
  2. Step 2: Convert to fraction form
    1,512,330,148,972.40/2,087,021,893,499.40 = 817,870,706,749.60/x
  3. Step 3: Cross multiply
    1,512,330,148,972.40x = 2,087,021,893,499.40 × 817,870,706,749.60
  4. Step 4: Simplify right side
    1,512,330,148,972.40x = 1,706,914,071,038,242,450,309,120
  5. Step 5: Solve for x
    x = 1,706,914,071,038,242,450,309,120/1,512,330,148,972.40
  6. Step 6: Final answer
    x = 1,128,664,975,830.88

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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.