Home / 559,959,294,969.05-772,735,603,239.80-312,765,181,070.45

Finding the Fourth Proportional to 559,959,294,969.05, 772,735,603,239.80 and 312,765,181,070.45

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Solution

The fourth proportional to 559,959,294,969.05, 772,735,603,239.80 and 312,765,181,070.45 is: 431,611,356,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,959,294,969.05 : 772,735,603,239.80 = 312,765,181,070.45 : x
  2. Step 2: Convert to fraction form
    559,959,294,969.05/772,735,603,239.80 = 312,765,181,070.45/x
  3. Step 3: Cross multiply
    559,959,294,969.05x = 772,735,603,239.80 × 312,765,181,070.45
  4. Step 4: Simplify right side
    559,959,294,969.05x = 241,684,790,866,879,482,691,584
  5. Step 5: Solve for x
    x = 241,684,790,866,879,482,691,584/559,959,294,969.05
  6. Step 6: Final answer
    x = 431,611,356,465.18

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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.