Home / 28,580,130,770.50-42,875,080,216.89-11,782,759,735.18

Finding the Fourth Proportional to 28,580,130,770.50, 42,875,080,216.89 and 11,782,759,735.18

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Solution

The fourth proportional to 28,580,130,770.50, 42,875,080,216.89 and 11,782,759,735.18 is: 17,676,153,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580,130,770.50 : 42,875,080,216.89 = 11,782,759,735.18 : x
  2. Step 2: Convert to fraction form
    28,580,130,770.50/42,875,080,216.89 = 11,782,759,735.18/x
  3. Step 3: Cross multiply
    28,580,130,770.50x = 42,875,080,216.89 × 11,782,759,735.18
  4. Step 4: Simplify right side
    28,580,130,770.50x = 505,186,768,822,184,050,688
  5. Step 5: Solve for x
    x = 505,186,768,822,184,050,688/28,580,130,770.50
  6. Step 6: Final answer
    x = 17,676,153,159.65

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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.