Home / 1,536,614,145.40-2,301,897,909.30-921,370,804.60

Finding the Fourth Proportional to 1,536,614,145.40, 2,301,897,909.30 and 921,370,804.60

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Solution

The fourth proportional to 1,536,614,145.40, 2,301,897,909.30 and 921,370,804.60 is: 1,380,243,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,614,145.40 : 2,301,897,909.30 = 921,370,804.60 : x
  2. Step 2: Convert to fraction form
    1,536,614,145.40/2,301,897,909.30 = 921,370,804.60/x
  3. Step 3: Cross multiply
    1,536,614,145.40x = 2,301,897,909.30 × 921,370,804.60
  4. Step 4: Simplify right side
    1,536,614,145.40x = 2,120,901,528,798,799,104
  5. Step 5: Solve for x
    x = 2,120,901,528,798,799,104/1,536,614,145.40
  6. Step 6: Final answer
    x = 1,380,243,397.57

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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.