Home / 1,394,139,072,775.40-1,923,892,363,909-776,867,807,590.32

Finding the Fourth Proportional to 1,394,139,072,775.40, 1,923,892,363,909 and 776,867,807,590.32

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Solution

The fourth proportional to 1,394,139,072,775.40, 1,923,892,363,909 and 776,867,807,590.32 is: 1,072,066,676,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,139,072,775.40 : 1,923,892,363,909 = 776,867,807,590.32 : x
  2. Step 2: Convert to fraction form
    1,394,139,072,775.40/1,923,892,363,909 = 776,867,807,590.32/x
  3. Step 3: Cross multiply
    1,394,139,072,775.40x = 1,923,892,363,909 × 776,867,807,590.32
  4. Step 4: Simplify right side
    1,394,139,072,775.40x = 1,494,610,042,789,742,772,224,000
  5. Step 5: Solve for x
    x = 1,494,610,042,789,742,772,224,000/1,394,139,072,775.40
  6. Step 6: Final answer
    x = 1,072,066,676,830.40

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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.