Home / 1,230,953,513.84-1,698,729,553.08-666,450,697.16

Finding the Fourth Proportional to 1,230,953,513.84, 1,698,729,553.08 and 666,450,697.16

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Solution

The fourth proportional to 1,230,953,513.84, 1,698,729,553.08 and 666,450,697.16 is: 919,709,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,953,513.84 : 1,698,729,553.08 = 666,450,697.16 : x
  2. Step 2: Convert to fraction form
    1,230,953,513.84/1,698,729,553.08 = 666,450,697.16/x
  3. Step 3: Cross multiply
    1,230,953,513.84x = 1,698,729,553.08 × 666,450,697.16
  4. Step 4: Simplify right side
    1,230,953,513.84x = 1,132,119,494,927,967,488
  5. Step 5: Solve for x
    x = 1,132,119,494,927,967,488/1,230,953,513.84
  6. Step 6: Final answer
    x = 919,709,381.55

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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.