Home / 1,008,799,394.96-1,392,139,299.63-562,762,402.98

Finding the Fourth Proportional to 1,008,799,394.96, 1,392,139,299.63 and 562,762,402.98

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Solution

The fourth proportional to 1,008,799,394.96, 1,392,139,299.63 and 562,762,402.98 is: 776,609,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,799,394.96 : 1,392,139,299.63 = 562,762,402.98 : x
  2. Step 2: Convert to fraction form
    1,008,799,394.96/1,392,139,299.63 = 562,762,402.98/x
  3. Step 3: Cross multiply
    1,008,799,394.96x = 1,392,139,299.63 × 562,762,402.98
  4. Step 4: Simplify right side
    1,008,799,394.96x = 783,443,657,542,673,152
  5. Step 5: Solve for x
    x = 783,443,657,542,673,152/1,008,799,394.96
  6. Step 6: Final answer
    x = 776,609,959.78

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Double scale
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1.5x scale

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.