Home / 475,488,013.60-713,232,020.40-309,040,692.40

Finding the Fourth Proportional to 475,488,013.60, 713,232,020.40 and 309,040,692.40

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Solution

The fourth proportional to 475,488,013.60, 713,232,020.40 and 309,040,692.40 is: 463,561,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,488,013.60 : 713,232,020.40 = 309,040,692.40 : x
  2. Step 2: Convert to fraction form
    475,488,013.60/713,232,020.40 = 309,040,692.40/x
  3. Step 3: Cross multiply
    475,488,013.60x = 713,232,020.40 × 309,040,692.40
  4. Step 4: Simplify right side
    475,488,013.60x = 220,417,717,426,266,912
  5. Step 5: Solve for x
    x = 220,417,717,426,266,912/475,488,013.60
  6. Step 6: Final answer
    x = 463,561,038.60

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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.