Home / 758,089,559.55-1,046,217,727.80-418,990,740.23

Finding the Fourth Proportional to 758,089,559.55, 1,046,217,727.80 and 418,990,740.23

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Solution

The fourth proportional to 758,089,559.55, 1,046,217,727.80 and 418,990,740.23 is: 578,237,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,089,559.55 : 1,046,217,727.80 = 418,990,740.23 : x
  2. Step 2: Convert to fraction form
    758,089,559.55/1,046,217,727.80 = 418,990,740.23/x
  3. Step 3: Cross multiply
    758,089,559.55x = 1,046,217,727.80 × 418,990,740.23
  4. Step 4: Simplify right side
    758,089,559.55x = 438,355,540,207,439,552
  5. Step 5: Solve for x
    x = 438,355,540,207,439,552/758,089,559.55
  6. Step 6: Final answer
    x = 578,237,141.89

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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.