Home / 871,488,014.40-1,307,232,021.60-804,975,220.80

Finding the Fourth Proportional to 871,488,014.40, 1,307,232,021.60 and 804,975,220.80

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Solution

The fourth proportional to 871,488,014.40, 1,307,232,021.60 and 804,975,220.80 is: 1,207,462,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,488,014.40 : 1,307,232,021.60 = 804,975,220.80 : x
  2. Step 2: Convert to fraction form
    871,488,014.40/1,307,232,021.60 = 804,975,220.80/x
  3. Step 3: Cross multiply
    871,488,014.40x = 1,307,232,021.60 × 804,975,220.80
  4. Step 4: Simplify right side
    871,488,014.40x = 1,052,289,385,224,290,176
  5. Step 5: Solve for x
    x = 1,052,289,385,224,290,176/871,488,014.40
  6. Step 6: Final answer
    x = 1,207,462,831.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.