Home / 693,147,054.48-1,039,712,566.08-168,519,128.16

Finding the Fourth Proportional to 693,147,054.48, 1,039,712,566.08 and 168,519,128.16

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Solution

The fourth proportional to 693,147,054.48, 1,039,712,566.08 and 168,519,128.16 is: 252,776,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,147,054.48 : 1,039,712,566.08 = 168,519,128.16 : x
  2. Step 2: Convert to fraction form
    693,147,054.48/1,039,712,566.08 = 168,519,128.16/x
  3. Step 3: Cross multiply
    693,147,054.48x = 1,039,712,566.08 × 168,519,128.16
  4. Step 4: Simplify right side
    693,147,054.48x = 175,211,455,172,797,984
  5. Step 5: Solve for x
    x = 175,211,455,172,797,984/693,147,054.48
  6. Step 6: Final answer
    x = 252,776,743.46

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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.