Home / 671,419,875.60-1,007,129,813.40-186,745,683.60

Finding the Fourth Proportional to 671,419,875.60, 1,007,129,813.40 and 186,745,683.60

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Solution

The fourth proportional to 671,419,875.60, 1,007,129,813.40 and 186,745,683.60 is: 280,118,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,419,875.60 : 1,007,129,813.40 = 186,745,683.60 : x
  2. Step 2: Convert to fraction form
    671,419,875.60/1,007,129,813.40 = 186,745,683.60/x
  3. Step 3: Cross multiply
    671,419,875.60x = 1,007,129,813.40 × 186,745,683.60
  4. Step 4: Simplify right side
    671,419,875.60x = 188,077,145,477,323,424
  5. Step 5: Solve for x
    x = 188,077,145,477,323,424/671,419,875.60
  6. Step 6: Final answer
    x = 280,118,525.40

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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.