Home / 539,155,900.40-808,733,850.60-517,992,738.80

Finding the Fourth Proportional to 539,155,900.40, 808,733,850.60 and 517,992,738.80

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Solution

The fourth proportional to 539,155,900.40, 808,733,850.60 and 517,992,738.80 is: 776,989,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,155,900.40 : 808,733,850.60 = 517,992,738.80 : x
  2. Step 2: Convert to fraction form
    539,155,900.40/808,733,850.60 = 517,992,738.80/x
  3. Step 3: Cross multiply
    539,155,900.40x = 808,733,850.60 × 517,992,738.80
  4. Step 4: Simplify right side
    539,155,900.40x = 418,918,262,232,564,032
  5. Step 5: Solve for x
    x = 418,918,262,232,564,032/539,155,900.40
  6. Step 6: Final answer
    x = 776,989,108.20

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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.