Home / 1,089,267,500.43-1,502,983,565.55-649,275,293.07

Finding the Fourth Proportional to 1,089,267,500.43, 1,502,983,565.55 and 649,275,293.07

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Solution

The fourth proportional to 1,089,267,500.43, 1,502,983,565.55 and 649,275,293.07 is: 895,877,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,267,500.43 : 1,502,983,565.55 = 649,275,293.07 : x
  2. Step 2: Convert to fraction form
    1,089,267,500.43/1,502,983,565.55 = 649,275,293.07/x
  3. Step 3: Cross multiply
    1,089,267,500.43x = 1,502,983,565.55 × 649,275,293.07
  4. Step 4: Simplify right side
    1,089,267,500.43x = 975,850,095,001,869,824
  5. Step 5: Solve for x
    x = 975,850,095,001,869,824/1,089,267,500.43
  6. Step 6: Final answer
    x = 895,877,362.19

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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.