Home / 1,590,428,786.59-2,384,845,021.93-926,657,316.84

Finding the Fourth Proportional to 1,590,428,786.59, 2,384,845,021.93 and 926,657,316.84

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Solution

The fourth proportional to 1,590,428,786.59, 2,384,845,021.93 and 926,657,316.84 is: 1,389,520,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,428,786.59 : 2,384,845,021.93 = 926,657,316.84 : x
  2. Step 2: Convert to fraction form
    1,590,428,786.59/2,384,845,021.93 = 926,657,316.84/x
  3. Step 3: Cross multiply
    1,590,428,786.59x = 2,384,845,021.93 × 926,657,316.84
  4. Step 4: Simplify right side
    1,590,428,786.59x = 2,209,934,089,100,884,736
  5. Step 5: Solve for x
    x = 2,209,934,089,100,884,736/1,590,428,786.59
  6. Step 6: Final answer
    x = 1,389,520,931.55

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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.