Home / 1,236,140,301.60-1,854,210,452.40-459,625,284.45

Finding the Fourth Proportional to 1,236,140,301.60, 1,854,210,452.40 and 459,625,284.45

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Solution

The fourth proportional to 1,236,140,301.60, 1,854,210,452.40 and 459,625,284.45 is: 689,437,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,140,301.60 : 1,854,210,452.40 = 459,625,284.45 : x
  2. Step 2: Convert to fraction form
    1,236,140,301.60/1,854,210,452.40 = 459,625,284.45/x
  3. Step 3: Cross multiply
    1,236,140,301.60x = 1,854,210,452.40 × 459,625,284.45
  4. Step 4: Simplify right side
    1,236,140,301.60x = 852,242,006,614,513,152
  5. Step 5: Solve for x
    x = 852,242,006,614,513,152/1,236,140,301.60
  6. Step 6: Final answer
    x = 689,437,926.68

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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.