Home / 545,756,497.60-818,634,746.40-200,638,712.20

Finding the Fourth Proportional to 545,756,497.60, 818,634,746.40 and 200,638,712.20

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Solution

The fourth proportional to 545,756,497.60, 818,634,746.40 and 200,638,712.20 is: 300,958,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,756,497.60 : 818,634,746.40 = 200,638,712.20 : x
  2. Step 2: Convert to fraction form
    545,756,497.60/818,634,746.40 = 200,638,712.20/x
  3. Step 3: Cross multiply
    545,756,497.60x = 818,634,746.40 × 200,638,712.20
  4. Step 4: Simplify right side
    545,756,497.60x = 164,249,821,279,869,568
  5. Step 5: Solve for x
    x = 164,249,821,279,869,568/545,756,497.60
  6. Step 6: Final answer
    x = 300,958,068.30

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1.5x scale

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.