Home / 467,919,642.40-645,749,279.28-259,075,783.36

Finding the Fourth Proportional to 467,919,642.40, 645,749,279.28 and 259,075,783.36

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Solution

The fourth proportional to 467,919,642.40, 645,749,279.28 and 259,075,783.36 is: 357,535,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,919,642.40 : 645,749,279.28 = 259,075,783.36 : x
  2. Step 2: Convert to fraction form
    467,919,642.40/645,749,279.28 = 259,075,783.36/x
  3. Step 3: Cross multiply
    467,919,642.40x = 645,749,279.28 × 259,075,783.36
  4. Step 4: Simplify right side
    467,919,642.40x = 167,298,000,383,621,408
  5. Step 5: Solve for x
    x = 167,298,000,383,621,408/467,919,642.40
  6. Step 6: Final answer
    x = 357,535,750.21

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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.