Home / 847,128,511.77-1,168,674,715.96-529,036,522.66

Finding the Fourth Proportional to 847,128,511.77, 1,168,674,715.96 and 529,036,522.66

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Solution

The fourth proportional to 847,128,511.77, 1,168,674,715.96 and 529,036,522.66 is: 729,843,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,511.77 : 1,168,674,715.96 = 529,036,522.66 : x
  2. Step 2: Convert to fraction form
    847,128,511.77/1,168,674,715.96 = 529,036,522.66/x
  3. Step 3: Cross multiply
    847,128,511.77x = 1,168,674,715.96 × 529,036,522.66
  4. Step 4: Simplify right side
    847,128,511.77x = 618,271,607,852,141,696
  5. Step 5: Solve for x
    x = 618,271,607,852,141,696/847,128,511.77
  6. Step 6: Final answer
    x = 729,843,936.62

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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.