Home / 1,778,820,423.66-2,453,340,838.86-1,563,779,278.47

Finding the Fourth Proportional to 1,778,820,423.66, 2,453,340,838.86 and 1,563,779,278.47

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Solution

The fourth proportional to 1,778,820,423.66, 2,453,340,838.86 and 1,563,779,278.47 is: 2,156,757,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,820,423.66 : 2,453,340,838.86 = 1,563,779,278.47 : x
  2. Step 2: Convert to fraction form
    1,778,820,423.66/2,453,340,838.86 = 1,563,779,278.47/x
  3. Step 3: Cross multiply
    1,778,820,423.66x = 2,453,340,838.86 × 1,563,779,278.47
  4. Step 4: Simplify right side
    1,778,820,423.66x = 3,836,483,566,833,475,584
  5. Step 5: Solve for x
    x = 3,836,483,566,833,475,584/1,778,820,423.66
  6. Step 6: Final answer
    x = 2,156,757,093.52

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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.