Home / 559,959,294,969.40-772,735,603,240.05-312,765,181,070.70

Finding the Fourth Proportional to 559,959,294,969.40, 772,735,603,240.05 and 312,765,181,070.70

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Solution

The fourth proportional to 559,959,294,969.40, 772,735,603,240.05 and 312,765,181,070.70 is: 431,611,356,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,959,294,969.40 : 772,735,603,240.05 = 312,765,181,070.70 : x
  2. Step 2: Convert to fraction form
    559,959,294,969.40/772,735,603,240.05 = 312,765,181,070.70/x
  3. Step 3: Cross multiply
    559,959,294,969.40x = 772,735,603,240.05 × 312,765,181,070.70
  4. Step 4: Simplify right side
    559,959,294,969.40x = 241,684,790,867,150,870,937,600
  5. Step 5: Solve for x
    x = 241,684,790,867,150,870,937,600/559,959,294,969.40
  6. Step 6: Final answer
    x = 431,611,356,465.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.