Home / 25,878,529,352.70-38,817,794,029.05-10,380,077,999.10

Finding the Fourth Proportional to 25,878,529,352.70, 38,817,794,029.05 and 10,380,077,999.10

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Solution

The fourth proportional to 25,878,529,352.70, 38,817,794,029.05 and 10,380,077,999.10 is: 15,570,116,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878,529,352.70 : 38,817,794,029.05 = 10,380,077,999.10 : x
  2. Step 2: Convert to fraction form
    25,878,529,352.70/38,817,794,029.05 = 10,380,077,999.10/x
  3. Step 3: Cross multiply
    25,878,529,352.70x = 38,817,794,029.05 × 10,380,077,999.10
  4. Step 4: Simplify right side
    25,878,529,352.70x = 402,931,729,774,537,277,440
  5. Step 5: Solve for x
    x = 402,931,729,774,537,277,440/25,878,529,352.70
  6. Step 6: Final answer
    x = 15,570,116,998.65

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Double scale
Find fourth proportional to 25,878,529,353.70, 38,817,794,030.55 and 10,380,078,000.10
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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.