Home / 864,878,631,488.10-1,296,409,810,170.50-290,995,507,437.21

Finding the Fourth Proportional to 864,878,631,488.10, 1,296,409,810,170.50 and 290,995,507,437.21

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Solution

The fourth proportional to 864,878,631,488.10, 1,296,409,810,170.50 and 290,995,507,437.21 is: 436,187,710,994.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,878,631,488.10 : 1,296,409,810,170.50 = 290,995,507,437.21 : x
  2. Step 2: Convert to fraction form
    864,878,631,488.10/1,296,409,810,170.50 = 290,995,507,437.21/x
  3. Step 3: Cross multiply
    864,878,631,488.10x = 1,296,409,810,170.50 × 290,995,507,437.21
  4. Step 4: Simplify right side
    864,878,631,488.10x = 377,249,430,557,141,759,950,848
  5. Step 5: Solve for x
    x = 377,249,430,557,141,759,950,848/864,878,631,488.10
  6. Step 6: Final answer
    x = 436,187,710,994.84

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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.