Home / 772,551,812.40-1,158,827,718.60-364,405,124.40

Finding the Fourth Proportional to 772,551,812.40, 1,158,827,718.60 and 364,405,124.40

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Solution

The fourth proportional to 772,551,812.40, 1,158,827,718.60 and 364,405,124.40 is: 546,607,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,551,812.40 : 1,158,827,718.60 = 364,405,124.40 : x
  2. Step 2: Convert to fraction form
    772,551,812.40/1,158,827,718.60 = 364,405,124.40/x
  3. Step 3: Cross multiply
    772,551,812.40x = 1,158,827,718.60 × 364,405,124.40
  4. Step 4: Simplify right side
    772,551,812.40x = 422,282,758,954,601,152
  5. Step 5: Solve for x
    x = 422,282,758,954,601,152/772,551,812.40
  6. Step 6: Final answer
    x = 546,607,686.60

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Double scale
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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.