Home / 20,013,877,943.46-30,020,686,878.09-5,090,916,014.70

Finding the Fourth Proportional to 20,013,877,943.46, 30,020,686,878.09 and 5,090,916,014.70

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Solution

The fourth proportional to 20,013,877,943.46, 30,020,686,878.09 and 5,090,916,014.70 is: 7,636,340,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,877,943.46 : 30,020,686,878.09 = 5,090,916,014.70 : x
  2. Step 2: Convert to fraction form
    20,013,877,943.46/30,020,686,878.09 = 5,090,916,014.70/x
  3. Step 3: Cross multiply
    20,013,877,943.46x = 30,020,686,878.09 × 5,090,916,014.70
  4. Step 4: Simplify right side
    20,013,877,943.46x = 152,832,795,599,962,537,984
  5. Step 5: Solve for x
    x = 152,832,795,599,962,537,984/20,013,877,943.46
  6. Step 6: Final answer
    x = 7,636,340,944.60

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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.