Home / 971,221,152.60-1,456,831,728.90-869,184,480.60

Finding the Fourth Proportional to 971,221,152.60, 1,456,831,728.90 and 869,184,480.60

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Solution

The fourth proportional to 971,221,152.60, 1,456,831,728.90 and 869,184,480.60 is: 1,303,776,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,221,152.60 : 1,456,831,728.90 = 869,184,480.60 : x
  2. Step 2: Convert to fraction form
    971,221,152.60/1,456,831,728.90 = 869,184,480.60/x
  3. Step 3: Cross multiply
    971,221,152.60x = 1,456,831,728.90 × 869,184,480.60
  4. Step 4: Simplify right side
    971,221,152.60x = 1,266,255,529,605,546,752
  5. Step 5: Solve for x
    x = 1,266,255,529,605,546,752/971,221,152.60
  6. Step 6: Final answer
    x = 1,303,776,720.90

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Double scale
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Similar ratio
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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.