Home / 830,701,001.56-1,146,118,507.64-478,267,930.79

Finding the Fourth Proportional to 830,701,001.56, 1,146,118,507.64 and 478,267,930.79

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Solution

The fourth proportional to 830,701,001.56, 1,146,118,507.64 and 478,267,930.79 is: 659,866,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,701,001.56 : 1,146,118,507.64 = 478,267,930.79 : x
  2. Step 2: Convert to fraction form
    830,701,001.56/1,146,118,507.64 = 478,267,930.79/x
  3. Step 3: Cross multiply
    830,701,001.56x = 1,146,118,507.64 × 478,267,930.79
  4. Step 4: Simplify right side
    830,701,001.56x = 548,151,727,089,579,584
  5. Step 5: Solve for x
    x = 548,151,727,089,579,584/830,701,001.56
  6. Step 6: Final answer
    x = 659,866,457.44

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1.5x scale

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.