Home / 1,428,605,318.29-2,142,073,947.16-554,184,918.58

Finding the Fourth Proportional to 1,428,605,318.29, 2,142,073,947.16 and 554,184,918.58

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Solution

The fourth proportional to 1,428,605,318.29, 2,142,073,947.16 and 554,184,918.58 is: 830,953,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,605,318.29 : 2,142,073,947.16 = 554,184,918.58 : x
  2. Step 2: Convert to fraction form
    1,428,605,318.29/2,142,073,947.16 = 554,184,918.58/x
  3. Step 3: Cross multiply
    1,428,605,318.29x = 2,142,073,947.16 × 554,184,918.58
  4. Step 4: Simplify right side
    1,428,605,318.29x = 1,187,105,075,999,203,840
  5. Step 5: Solve for x
    x = 1,187,105,075,999,203,840/1,428,605,318.29
  6. Step 6: Final answer
    x = 830,953,840.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.