Home / 19,852,068,315.80-29,778,102,473.70-8,811,700,405.40

Finding the Fourth Proportional to 19,852,068,315.80, 29,778,102,473.70 and 8,811,700,405.40

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Solution

The fourth proportional to 19,852,068,315.80, 29,778,102,473.70 and 8,811,700,405.40 is: 13,217,550,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852,068,315.80 : 29,778,102,473.70 = 8,811,700,405.40 : x
  2. Step 2: Convert to fraction form
    19,852,068,315.80/29,778,102,473.70 = 8,811,700,405.40/x
  3. Step 3: Cross multiply
    19,852,068,315.80x = 29,778,102,473.70 × 8,811,700,405.40
  4. Step 4: Simplify right side
    19,852,068,315.80x = 262,395,717,639,545,028,608
  5. Step 5: Solve for x
    x = 262,395,717,639,545,028,608/19,852,068,315.80
  6. Step 6: Final answer
    x = 13,217,550,608.10

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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.