Home / 20,013,877,944.96-30,020,686,880.34-5,090,916,016.20

Finding the Fourth Proportional to 20,013,877,944.96, 30,020,686,880.34 and 5,090,916,016.20

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Solution

The fourth proportional to 20,013,877,944.96, 30,020,686,880.34 and 5,090,916,016.20 is: 7,636,340,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,877,944.96 : 30,020,686,880.34 = 5,090,916,016.20 : x
  2. Step 2: Convert to fraction form
    20,013,877,944.96/30,020,686,880.34 = 5,090,916,016.20/x
  3. Step 3: Cross multiply
    20,013,877,944.96x = 30,020,686,880.34 × 5,090,916,016.20
  4. Step 4: Simplify right side
    20,013,877,944.96x = 152,832,795,656,448,114,688
  5. Step 5: Solve for x
    x = 152,832,795,656,448,114,688/20,013,877,944.96
  6. Step 6: Final answer
    x = 7,636,340,946.85

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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.