Home / 1,230,953,514.84-1,698,729,554.46-666,450,698.16

Finding the Fourth Proportional to 1,230,953,514.84, 1,698,729,554.46 and 666,450,698.16

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Solution

The fourth proportional to 1,230,953,514.84, 1,698,729,554.46 and 666,450,698.16 is: 919,709,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,953,514.84 : 1,698,729,554.46 = 666,450,698.16 : x
  2. Step 2: Convert to fraction form
    1,230,953,514.84/1,698,729,554.46 = 666,450,698.16/x
  3. Step 3: Cross multiply
    1,230,953,514.84x = 1,698,729,554.46 × 666,450,698.16
  4. Step 4: Simplify right side
    1,230,953,514.84x = 1,132,119,497,554,892,672
  5. Step 5: Solve for x
    x = 1,132,119,497,554,892,672/1,230,953,514.84
  6. Step 6: Final answer
    x = 919,709,382.93

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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.