Home / 1,173,510,312.60-1,619,434,760.22-637,657,287.96

Finding the Fourth Proportional to 1,173,510,312.60, 1,619,434,760.22 and 637,657,287.96

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Solution

The fourth proportional to 1,173,510,312.60, 1,619,434,760.22 and 637,657,287.96 is: 879,961,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,510,312.60 : 1,619,434,760.22 = 637,657,287.96 : x
  2. Step 2: Convert to fraction form
    1,173,510,312.60/1,619,434,760.22 = 637,657,287.96/x
  3. Step 3: Cross multiply
    1,173,510,312.60x = 1,619,434,760.22 × 637,657,287.96
  4. Step 4: Simplify right side
    1,173,510,312.60x = 1,032,644,377,230,038,144
  5. Step 5: Solve for x
    x = 1,032,644,377,230,038,144/1,173,510,312.60
  6. Step 6: Final answer
    x = 879,961,910.98

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