Home / 993,017,955.12-1,370,314,131.84-546,971,716.32

Finding the Fourth Proportional to 993,017,955.12, 1,370,314,131.84 and 546,971,716.32

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Solution

The fourth proportional to 993,017,955.12, 1,370,314,131.84 and 546,971,716.32 is: 754,793,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,017,955.12 : 1,370,314,131.84 = 546,971,716.32 : x
  2. Step 2: Convert to fraction form
    993,017,955.12/1,370,314,131.84 = 546,971,716.32/x
  3. Step 3: Cross multiply
    993,017,955.12x = 1,370,314,131.84 × 546,971,716.32
  4. Step 4: Simplify right side
    993,017,955.12x = 749,523,072,590,075,648
  5. Step 5: Solve for x
    x = 749,523,072,590,075,648/993,017,955.12
  6. Step 6: Final answer
    x = 754,793,071.69

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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.