Home / 302,679,698,642.17-454,019,984,929.28-123,605,685,437.45

Finding the Fourth Proportional to 302,679,698,642.17, 454,019,984,929.28 and 123,605,685,437.45

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Solution

The fourth proportional to 302,679,698,642.17, 454,019,984,929.28 and 123,605,685,437.45 is: 185,408,706,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,679,698,642.17 : 454,019,984,929.28 = 123,605,685,437.45 : x
  2. Step 2: Convert to fraction form
    302,679,698,642.17/454,019,984,929.28 = 123,605,685,437.45/x
  3. Step 3: Cross multiply
    302,679,698,642.17x = 454,019,984,929.28 × 123,605,685,437.45
  4. Step 4: Simplify right side
    302,679,698,642.17x = 56,119,451,439,484,379,332,608
  5. Step 5: Solve for x
    x = 56,119,451,439,484,379,332,608/302,679,698,642.17
  6. Step 6: Final answer
    x = 185,408,706,600.54

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1.5x scale

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.