Home / 652,998,100.88-901,201,030.44-487,698,692.24

Finding the Fourth Proportional to 652,998,100.88, 901,201,030.44 and 487,698,692.24

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Solution

The fourth proportional to 652,998,100.88, 901,201,030.44 and 487,698,692.24 is: 673,071,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,998,100.88 : 901,201,030.44 = 487,698,692.24 : x
  2. Step 2: Convert to fraction form
    652,998,100.88/901,201,030.44 = 487,698,692.24/x
  3. Step 3: Cross multiply
    652,998,100.88x = 901,201,030.44 × 487,698,692.24
  4. Step 4: Simplify right side
    652,998,100.88x = 439,514,563,990,928,448
  5. Step 5: Solve for x
    x = 439,514,563,990,928,448/652,998,100.88
  6. Step 6: Final answer
    x = 673,071,733.90

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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.