Home / 1,820,228,541.20-2,730,342,811.80-1,802,088,688.40

Finding the Fourth Proportional to 1,820,228,541.20, 2,730,342,811.80 and 1,802,088,688.40

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Solution

The fourth proportional to 1,820,228,541.20, 2,730,342,811.80 and 1,802,088,688.40 is: 2,703,133,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,228,541.20 : 2,730,342,811.80 = 1,802,088,688.40 : x
  2. Step 2: Convert to fraction form
    1,820,228,541.20/2,730,342,811.80 = 1,802,088,688.40/x
  3. Step 3: Cross multiply
    1,820,228,541.20x = 2,730,342,811.80 × 1,802,088,688.40
  4. Step 4: Simplify right side
    1,820,228,541.20x = 4,920,319,896,599,030,784
  5. Step 5: Solve for x
    x = 4,920,319,896,599,030,784/1,820,228,541.20
  6. Step 6: Final answer
    x = 2,703,133,032.60

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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.