Home / 480,500,895.07-720,678,518.40-130,774,215.79

Finding the Fourth Proportional to 480,500,895.07, 720,678,518.40 and 130,774,215.79

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Solution

The fourth proportional to 480,500,895.07, 720,678,518.40 and 130,774,215.79 is: 196,141,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,500,895.07 : 720,678,518.40 = 130,774,215.79 : x
  2. Step 2: Convert to fraction form
    480,500,895.07/720,678,518.40 = 130,774,215.79/x
  3. Step 3: Cross multiply
    480,500,895.07x = 720,678,518.40 × 130,774,215.79
  4. Step 4: Simplify right side
    480,500,895.07x = 94,246,168,076,201,824
  5. Step 5: Solve for x
    x = 94,246,168,076,201,824/480,500,895.07
  6. Step 6: Final answer
    x = 196,141,503.68

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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.