Home / 1,328,510,422.89-1,833,344,313.57-717,456,426.51

Finding the Fourth Proportional to 1,328,510,422.89, 1,833,344,313.57 and 717,456,426.51

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Solution

The fourth proportional to 1,328,510,422.89, 1,833,344,313.57 and 717,456,426.51 is: 990,089,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,510,422.89 : 1,833,344,313.57 = 717,456,426.51 : x
  2. Step 2: Convert to fraction form
    1,328,510,422.89/1,833,344,313.57 = 717,456,426.51/x
  3. Step 3: Cross multiply
    1,328,510,422.89x = 1,833,344,313.57 × 717,456,426.51
  4. Step 4: Simplify right side
    1,328,510,422.89x = 1,315,344,659,776,360,960
  5. Step 5: Solve for x
    x = 1,315,344,659,776,360,960/1,328,510,422.89
  6. Step 6: Final answer
    x = 990,089,830.77

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Half scale
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Double scale
Find fourth proportional to 1,328,510,423.89, 1,833,344,314.95 and 717,456,427.51
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1.5x scale

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.