Home / 10,453,391,996.80-15,680,087,995.20-5,229,114,390.40

Finding the Fourth Proportional to 10,453,391,996.80, 15,680,087,995.20 and 5,229,114,390.40

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Solution

The fourth proportional to 10,453,391,996.80, 15,680,087,995.20 and 5,229,114,390.40 is: 7,843,671,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453,391,996.80 : 15,680,087,995.20 = 5,229,114,390.40 : x
  2. Step 2: Convert to fraction form
    10,453,391,996.80/15,680,087,995.20 = 5,229,114,390.40/x
  3. Step 3: Cross multiply
    10,453,391,996.80x = 15,680,087,995.20 × 5,229,114,390.40
  4. Step 4: Simplify right side
    10,453,391,996.80x = 81,992,973,778,438,602,752
  5. Step 5: Solve for x
    x = 81,992,973,778,438,602,752/10,453,391,996.80
  6. Step 6: Final answer
    x = 7,843,671,585.60

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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.