Home / 1,019,662,030,578.60-1,407,768,759,040.10-649,074,624,152.99

Finding the Fourth Proportional to 1,019,662,030,578.60, 1,407,768,759,040.10 and 649,074,624,152.99

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Solution

The fourth proportional to 1,019,662,030,578.60, 1,407,768,759,040.10 and 649,074,624,152.99 is: 896,127,295,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,662,030,578.60 : 1,407,768,759,040.10 = 649,074,624,152.99 : x
  2. Step 2: Convert to fraction form
    1,019,662,030,578.60/1,407,768,759,040.10 = 649,074,624,152.99/x
  3. Step 3: Cross multiply
    1,019,662,030,578.60x = 1,407,768,759,040.10 × 649,074,624,152.99
  4. Step 4: Simplify right side
    1,019,662,030,578.60x = 913,746,978,168,274,128,207,872
  5. Step 5: Solve for x
    x = 913,746,978,168,274,128,207,872/1,019,662,030,578.60
  6. Step 6: Final answer
    x = 896,127,295,874.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.