Home / 1,246,074,894.81-1,720,112,829.53-776,408,264.48

Finding the Fourth Proportional to 1,246,074,894.81, 1,720,112,829.53 and 776,408,264.48

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Solution

The fourth proportional to 1,246,074,894.81, 1,720,112,829.53 and 776,408,264.48 is: 1,071,773,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,074,894.81 : 1,720,112,829.53 = 776,408,264.48 : x
  2. Step 2: Convert to fraction form
    1,246,074,894.81/1,720,112,829.53 = 776,408,264.48/x
  3. Step 3: Cross multiply
    1,246,074,894.81x = 1,720,112,829.53 × 776,408,264.48
  4. Step 4: Simplify right side
    1,246,074,894.81x = 1,335,509,816,685,587,712
  5. Step 5: Solve for x
    x = 1,335,509,816,685,587,712/1,246,074,894.81
  6. Step 6: Final answer
    x = 1,071,773,311.74

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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.