Home / 804,816,009.60-1,207,224,014.40-668,767,113.60

Finding the Fourth Proportional to 804,816,009.60, 1,207,224,014.40 and 668,767,113.60

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Solution

The fourth proportional to 804,816,009.60, 1,207,224,014.40 and 668,767,113.60 is: 1,003,150,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,009.60 : 1,207,224,014.40 = 668,767,113.60 : x
  2. Step 2: Convert to fraction form
    804,816,009.60/1,207,224,014.40 = 668,767,113.60/x
  3. Step 3: Cross multiply
    804,816,009.60x = 1,207,224,014.40 × 668,767,113.60
  4. Step 4: Simplify right side
    804,816,009.60x = 807,351,719,578,892,928
  5. Step 5: Solve for x
    x = 807,351,719,578,892,928/804,816,009.60
  6. Step 6: Final answer
    x = 1,003,150,670.40

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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.