Home / 1,201,700,995.56-1,802,387,856.69-316,312,213.86

Finding the Fourth Proportional to 1,201,700,995.56, 1,802,387,856.69 and 316,312,213.86

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Solution

The fourth proportional to 1,201,700,995.56, 1,802,387,856.69 and 316,312,213.86 is: 474,425,248.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,700,995.56 : 1,802,387,856.69 = 316,312,213.86 : x
  2. Step 2: Convert to fraction form
    1,201,700,995.56/1,802,387,856.69 = 316,312,213.86/x
  3. Step 3: Cross multiply
    1,201,700,995.56x = 1,802,387,856.69 × 316,312,213.86
  4. Step 4: Simplify right side
    1,201,700,995.56x = 570,117,293,183,994,368
  5. Step 5: Solve for x
    x = 570,117,293,183,994,368/1,201,700,995.56
  6. Step 6: Final answer
    x = 474,425,248.29

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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.