Home / 1,495,909,577.70-2,243,864,366.55-405,392,645.70

Finding the Fourth Proportional to 1,495,909,577.70, 2,243,864,366.55 and 405,392,645.70

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Solution

The fourth proportional to 1,495,909,577.70, 2,243,864,366.55 and 405,392,645.70 is: 608,088,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,909,577.70 : 2,243,864,366.55 = 405,392,645.70 : x
  2. Step 2: Convert to fraction form
    1,495,909,577.70/2,243,864,366.55 = 405,392,645.70/x
  3. Step 3: Cross multiply
    1,495,909,577.70x = 2,243,864,366.55 × 405,392,645.70
  4. Step 4: Simplify right side
    1,495,909,577.70x = 909,646,112,147,659,136
  5. Step 5: Solve for x
    x = 909,646,112,147,659,136/1,495,909,577.70
  6. Step 6: Final answer
    x = 608,088,968.55

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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.