Home / 1,309,445,804,360.40-1,807,015,978,894.80-731,390,759,075.85

Finding the Fourth Proportional to 1,309,445,804,360.40, 1,807,015,978,894.80 and 731,390,759,075.85

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Solution

The fourth proportional to 1,309,445,804,360.40, 1,807,015,978,894.80 and 731,390,759,075.85 is: 1,009,308,505,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,445,804,360.40 : 1,807,015,978,894.80 = 731,390,759,075.85 : x
  2. Step 2: Convert to fraction form
    1,309,445,804,360.40/1,807,015,978,894.80 = 731,390,759,075.85/x
  3. Step 3: Cross multiply
    1,309,445,804,360.40x = 1,807,015,978,894.80 × 731,390,759,075.85
  4. Step 4: Simplify right side
    1,309,445,804,360.40x = 1,321,634,788,466,058,036,510,720
  5. Step 5: Solve for x
    x = 1,321,634,788,466,058,036,510,720/1,309,445,804,360.40
  6. Step 6: Final answer
    x = 1,009,308,505,984.03

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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.