Home / 1,438,271,123.40-2,157,406,685.10-973,366,536.60

Finding the Fourth Proportional to 1,438,271,123.40, 2,157,406,685.10 and 973,366,536.60

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Solution

The fourth proportional to 1,438,271,123.40, 2,157,406,685.10 and 973,366,536.60 is: 1,460,049,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,271,123.40 : 2,157,406,685.10 = 973,366,536.60 : x
  2. Step 2: Convert to fraction form
    1,438,271,123.40/2,157,406,685.10 = 973,366,536.60/x
  3. Step 3: Cross multiply
    1,438,271,123.40x = 2,157,406,685.10 × 973,366,536.60
  4. Step 4: Simplify right side
    1,438,271,123.40x = 2,099,947,473,113,473,792
  5. Step 5: Solve for x
    x = 2,099,947,473,113,473,792/1,438,271,123.40
  6. Step 6: Final answer
    x = 1,460,049,804.90

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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.