Home / 847,313,967.24-1,169,610,460.74-636,230,570.40

Finding the Fourth Proportional to 847,313,967.24, 1,169,610,460.74 and 636,230,570.40

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Solution

The fourth proportional to 847,313,967.24, 1,169,610,460.74 and 636,230,570.40 is: 878,236,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,313,967.24 : 1,169,610,460.74 = 636,230,570.40 : x
  2. Step 2: Convert to fraction form
    847,313,967.24/1,169,610,460.74 = 636,230,570.40/x
  3. Step 3: Cross multiply
    847,313,967.24x = 1,169,610,460.74 × 636,230,570.40
  4. Step 4: Simplify right side
    847,313,967.24x = 744,141,930,582,417,024
  5. Step 5: Solve for x
    x = 744,141,930,582,417,024/847,313,967.24
  6. Step 6: Final answer
    x = 878,236,355.53

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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.