Home / 1,242,853,341.88-1,864,525,603.74-455,914,303.24

Finding the Fourth Proportional to 1,242,853,341.88, 1,864,525,603.74 and 455,914,303.24

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Solution

The fourth proportional to 1,242,853,341.88, 1,864,525,603.74 and 455,914,303.24 is: 683,961,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,853,341.88 : 1,864,525,603.74 = 455,914,303.24 : x
  2. Step 2: Convert to fraction form
    1,242,853,341.88/1,864,525,603.74 = 455,914,303.24/x
  3. Step 3: Cross multiply
    1,242,853,341.88x = 1,864,525,603.74 × 455,914,303.24
  4. Step 4: Simplify right side
    1,242,853,341.88x = 850,063,891,502,262,400
  5. Step 5: Solve for x
    x = 850,063,891,502,262,400/1,242,853,341.88
  6. Step 6: Final answer
    x = 683,961,544.66

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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.