Home / 519,783,602.40-779,675,403.60-461,332,965.60

Finding the Fourth Proportional to 519,783,602.40, 779,675,403.60 and 461,332,965.60

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Solution

The fourth proportional to 519,783,602.40, 779,675,403.60 and 461,332,965.60 is: 691,999,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,783,602.40 : 779,675,403.60 = 461,332,965.60 : x
  2. Step 2: Convert to fraction form
    519,783,602.40/779,675,403.60 = 461,332,965.60/x
  3. Step 3: Cross multiply
    519,783,602.40x = 779,675,403.60 × 461,332,965.60
  4. Step 4: Simplify right side
    519,783,602.40x = 359,689,966,148,164,928
  5. Step 5: Solve for x
    x = 359,689,966,148,164,928/519,783,602.40
  6. Step 6: Final answer
    x = 691,999,448.40

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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.