Home / 1,438,147,554,593.20-1,984,627,814,636.50-778,937,232,162.10

Finding the Fourth Proportional to 1,438,147,554,593.20, 1,984,627,814,636.50 and 778,937,232,162.10

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Solution

The fourth proportional to 1,438,147,554,593.20, 1,984,627,814,636.50 and 778,937,232,162.10 is: 1,074,924,816,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,147,554,593.20 : 1,984,627,814,636.50 = 778,937,232,162.10 : x
  2. Step 2: Convert to fraction form
    1,438,147,554,593.20/1,984,627,814,636.50 = 778,937,232,162.10/x
  3. Step 3: Cross multiply
    1,438,147,554,593.20x = 1,984,627,814,636.50 × 778,937,232,162.10
  4. Step 4: Simplify right side
    1,438,147,554,593.20x = 1,545,900,496,804,872,579,973,120
  5. Step 5: Solve for x
    x = 1,545,900,496,804,872,579,973,120/1,438,147,554,593.20
  6. Step 6: Final answer
    x = 1,074,924,816,905.98

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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.