Home / 1,505,546,526.75-2,077,710,278.13-902,815,280.45

Finding the Fourth Proportional to 1,505,546,526.75, 2,077,710,278.13 and 902,815,280.45

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Solution

The fourth proportional to 1,505,546,526.75, 2,077,710,278.13 and 902,815,280.45 is: 1,245,918,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,546,526.75 : 2,077,710,278.13 = 902,815,280.45 : x
  2. Step 2: Convert to fraction form
    1,505,546,526.75/2,077,710,278.13 = 902,815,280.45/x
  3. Step 3: Cross multiply
    1,505,546,526.75x = 2,077,710,278.13 × 902,815,280.45
  4. Step 4: Simplify right side
    1,505,546,526.75x = 1,875,788,587,433,395,200
  5. Step 5: Solve for x
    x = 1,875,788,587,433,395,200/1,505,546,526.75
  6. Step 6: Final answer
    x = 1,245,918,710.65

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Double scale
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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.