Home / 8,428,728,389.26-12,638,955,429.88-4,169,498,688.16

Finding the Fourth Proportional to 8,428,728,389.26, 12,638,955,429.88 and 4,169,498,688.16

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Solution

The fourth proportional to 8,428,728,389.26, 12,638,955,429.88 and 4,169,498,688.16 is: 6,252,201,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,728,389.26 : 12,638,955,429.88 = 4,169,498,688.16 : x
  2. Step 2: Convert to fraction form
    8,428,728,389.26/12,638,955,429.88 = 4,169,498,688.16/x
  3. Step 3: Cross multiply
    8,428,728,389.26x = 12,638,955,429.88 × 4,169,498,688.16
  4. Step 4: Simplify right side
    8,428,728,389.26x = 52,698,108,084,597,366,784
  5. Step 5: Solve for x
    x = 52,698,108,084,597,366,784/8,428,728,389.26
  6. Step 6: Final answer
    x = 6,252,201,477.00

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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.