Home / 480,500,894.81-720,678,518.01-130,774,215.53

Finding the Fourth Proportional to 480,500,894.81, 720,678,518.01 and 130,774,215.53

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Solution

The fourth proportional to 480,500,894.81, 720,678,518.01 and 130,774,215.53 is: 196,141,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,500,894.81 : 720,678,518.01 = 130,774,215.53 : x
  2. Step 2: Convert to fraction form
    480,500,894.81/720,678,518.01 = 130,774,215.53/x
  3. Step 3: Cross multiply
    480,500,894.81x = 720,678,518.01 × 130,774,215.53
  4. Step 4: Simplify right side
    480,500,894.81x = 94,246,167,843,882,416
  5. Step 5: Solve for x
    x = 94,246,167,843,882,416/480,500,894.81
  6. Step 6: Final answer
    x = 196,141,503.30

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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.