Home / 1,438,147,554,593.40-1,984,627,814,636.90-778,937,232,162.35

Finding the Fourth Proportional to 1,438,147,554,593.40, 1,984,627,814,636.90 and 778,937,232,162.35

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Solution

The fourth proportional to 1,438,147,554,593.40, 1,984,627,814,636.90 and 778,937,232,162.35 is: 1,074,924,816,906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,147,554,593.40 : 1,984,627,814,636.90 = 778,937,232,162.35 : x
  2. Step 2: Convert to fraction form
    1,438,147,554,593.40/1,984,627,814,636.90 = 778,937,232,162.35/x
  3. Step 3: Cross multiply
    1,438,147,554,593.40x = 1,984,627,814,636.90 × 778,937,232,162.35
  4. Step 4: Simplify right side
    1,438,147,554,593.40x = 1,545,900,496,805,680,302,260,224
  5. Step 5: Solve for x
    x = 1,545,900,496,805,680,302,260,224/1,438,147,554,593.40
  6. Step 6: Final answer
    x = 1,074,924,816,906.39

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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.