Home / 559,959,294,969.10-772,735,603,239.75-312,765,181,070.45

Finding the Fourth Proportional to 559,959,294,969.10, 772,735,603,239.75 and 312,765,181,070.45

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Solution

The fourth proportional to 559,959,294,969.10, 772,735,603,239.75 and 312,765,181,070.45 is: 431,611,356,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,959,294,969.10 : 772,735,603,239.75 = 312,765,181,070.45 : x
  2. Step 2: Convert to fraction form
    559,959,294,969.10/772,735,603,239.75 = 312,765,181,070.45/x
  3. Step 3: Cross multiply
    559,959,294,969.10x = 772,735,603,239.75 × 312,765,181,070.45
  4. Step 4: Simplify right side
    559,959,294,969.10x = 241,684,790,866,863,812,771,840
  5. Step 5: Solve for x
    x = 241,684,790,866,863,812,771,840/559,959,294,969.10
  6. Step 6: Final answer
    x = 431,611,356,465.12

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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.