Home / 13,941,670,938.73-19,239,571,049.16-7,920,506,740.15

Finding the Fourth Proportional to 13,941,670,938.73, 19,239,571,049.16 and 7,920,506,740.15

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Solution

The fourth proportional to 13,941,670,938.73, 19,239,571,049.16 and 7,920,506,740.15 is: 10,930,336,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,670,938.73 : 19,239,571,049.16 = 7,920,506,740.15 : x
  2. Step 2: Convert to fraction form
    13,941,670,938.73/19,239,571,049.16 = 7,920,506,740.15/x
  3. Step 3: Cross multiply
    13,941,670,938.73x = 19,239,571,049.16 × 7,920,506,740.15
  4. Step 4: Simplify right side
    13,941,670,938.73x = 152,387,152,172,539,478,016
  5. Step 5: Solve for x
    x = 152,387,152,172,539,478,016/13,941,670,938.73
  6. Step 6: Final answer
    x = 10,930,336,316.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.