Home / 1,376,611,632.37-2,063,447,091.47-785,128,428.19

Finding the Fourth Proportional to 1,376,611,632.37, 2,063,447,091.47 and 785,128,428.19

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Solution

The fourth proportional to 1,376,611,632.37, 2,063,447,091.47 and 785,128,428.19 is: 1,176,854,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,611,632.37 : 2,063,447,091.47 = 785,128,428.19 : x
  2. Step 2: Convert to fraction form
    1,376,611,632.37/2,063,447,091.47 = 785,128,428.19/x
  3. Step 3: Cross multiply
    1,376,611,632.37x = 2,063,447,091.47 × 785,128,428.19
  4. Step 4: Simplify right side
    1,376,611,632.37x = 1,620,070,971,575,950,848
  5. Step 5: Solve for x
    x = 1,620,070,971,575,950,848/1,376,611,632.37
  6. Step 6: Final answer
    x = 1,176,854,047.64

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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.