Home / 885,075,789.03-1,221,408,490.01-488,602,036.52

Finding the Fourth Proportional to 885,075,789.03, 1,221,408,490.01 and 488,602,036.52

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Solution

The fourth proportional to 885,075,789.03, 1,221,408,490.01 and 488,602,036.52 is: 674,272,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,075,789.03 : 1,221,408,490.01 = 488,602,036.52 : x
  2. Step 2: Convert to fraction form
    885,075,789.03/1,221,408,490.01 = 488,602,036.52/x
  3. Step 3: Cross multiply
    885,075,789.03x = 1,221,408,490.01 × 488,602,036.52
  4. Step 4: Simplify right side
    885,075,789.03x = 596,782,675,640,152,704
  5. Step 5: Solve for x
    x = 596,782,675,640,152,704/885,075,789.03
  6. Step 6: Final answer
    x = 674,272,964.01

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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.