Home / 879,746,727.60-1,319,284,168.20-266,127,015.60

Finding the Fourth Proportional to 879,746,727.60, 1,319,284,168.20 and 266,127,015.60

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Solution

The fourth proportional to 879,746,727.60, 1,319,284,168.20 and 266,127,015.60 is: 399,088,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,746,727.60 : 1,319,284,168.20 = 266,127,015.60 : x
  2. Step 2: Convert to fraction form
    879,746,727.60/1,319,284,168.20 = 266,127,015.60/x
  3. Step 3: Cross multiply
    879,746,727.60x = 1,319,284,168.20 × 266,127,015.60
  4. Step 4: Simplify right side
    879,746,727.60x = 351,097,158,411,394,432
  5. Step 5: Solve for x
    x = 351,097,158,411,394,432/879,746,727.60
  6. Step 6: Final answer
    x = 399,088,905.25

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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.