Home / 1,407,273,466.72-1,942,063,061.04-772,226,719.84

Finding the Fourth Proportional to 1,407,273,466.72, 1,942,063,061.04 and 772,226,719.84

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Solution

The fourth proportional to 1,407,273,466.72, 1,942,063,061.04 and 772,226,719.84 is: 1,065,686,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,273,466.72 : 1,942,063,061.04 = 772,226,719.84 : x
  2. Step 2: Convert to fraction form
    1,407,273,466.72/1,942,063,061.04 = 772,226,719.84/x
  3. Step 3: Cross multiply
    1,407,273,466.72x = 1,942,063,061.04 × 772,226,719.84
  4. Step 4: Simplify right side
    1,407,273,466.72x = 1,499,712,987,349,348,864
  5. Step 5: Solve for x
    x = 1,499,712,987,349,348,864/1,407,273,466.72
  6. Step 6: Final answer
    x = 1,065,686,963.35

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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.