Home / 1,168,904,533,429.30-1,752,129,430,786.40-393,287,515,482.55

Finding the Fourth Proportional to 1,168,904,533,429.30, 1,752,129,430,786.40 and 393,287,515,482.55

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Solution

The fourth proportional to 1,168,904,533,429.30, 1,752,129,430,786.40 and 393,287,515,482.55 is: 589,518,314,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,904,533,429.30 : 1,752,129,430,786.40 = 393,287,515,482.55 : x
  2. Step 2: Convert to fraction form
    1,168,904,533,429.30/1,752,129,430,786.40 = 393,287,515,482.55/x
  3. Step 3: Cross multiply
    1,168,904,533,429.30x = 1,752,129,430,786.40 × 393,287,515,482.55
  4. Step 4: Simplify right side
    1,168,904,533,429.30x = 689,090,630,637,837,703,184,384
  5. Step 5: Solve for x
    x = 689,090,630,637,837,703,184,384/1,168,904,533,429.30
  6. Step 6: Final answer
    x = 589,518,314,738.85

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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.