Home / 1,263,075,437.83-1,743,580,802.67-787,001,021.32

Finding the Fourth Proportional to 1,263,075,437.83, 1,743,580,802.67 and 787,001,021.32

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Solution

The fourth proportional to 1,263,075,437.83, 1,743,580,802.67 and 787,001,021.32 is: 1,086,395,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,075,437.83 : 1,743,580,802.67 = 787,001,021.32 : x
  2. Step 2: Convert to fraction form
    1,263,075,437.83/1,743,580,802.67 = 787,001,021.32/x
  3. Step 3: Cross multiply
    1,263,075,437.83x = 1,743,580,802.67 × 787,001,021.32
  4. Step 4: Simplify right side
    1,263,075,437.83x = 1,372,199,872,450,802,432
  5. Step 5: Solve for x
    x = 1,372,199,872,450,802,432/1,263,075,437.83
  6. Step 6: Final answer
    x = 1,086,395,817.19

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1.5x scale

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.