Home / 20,253,683,587.20-30,390,884,959.68-9,641,898,038.40

Finding the Fourth Proportional to 20,253,683,587.20, 30,390,884,959.68 and 9,641,898,038.40

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Solution

The fourth proportional to 20,253,683,587.20, 30,390,884,959.68 and 9,641,898,038.40 is: 14,467,778,802.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,683,587.20 : 30,390,884,959.68 = 9,641,898,038.40 : x
  2. Step 2: Convert to fraction form
    20,253,683,587.20/30,390,884,959.68 = 9,641,898,038.40/x
  3. Step 3: Cross multiply
    20,253,683,587.20x = 30,390,884,959.68 × 9,641,898,038.40
  4. Step 4: Simplify right side
    20,253,683,587.20x = 293,025,814,077,978,640,384
  5. Step 5: Solve for x
    x = 293,025,814,077,978,640,384/20,253,683,587.20
  6. Step 6: Final answer
    x = 14,467,778,802.63

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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.