Home / 302,679,698,681.23-454,019,984,987.86-123,605,685,476.49

Finding the Fourth Proportional to 302,679,698,681.23, 454,019,984,987.86 and 123,605,685,476.49

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Solution

The fourth proportional to 302,679,698,681.23, 454,019,984,987.86 and 123,605,685,476.49 is: 185,408,706,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,679,698,681.23 : 454,019,984,987.86 = 123,605,685,476.49 : x
  2. Step 2: Convert to fraction form
    302,679,698,681.23/454,019,984,987.86 = 123,605,685,476.49/x
  3. Step 3: Cross multiply
    302,679,698,681.23x = 454,019,984,987.86 × 123,605,685,476.49
  4. Step 4: Simplify right side
    302,679,698,681.23x = 56,119,451,464,450,135,031,808
  5. Step 5: Solve for x
    x = 56,119,451,464,450,135,031,808/302,679,698,681.23
  6. Step 6: Final answer
    x = 185,408,706,659.09

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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.