Home / 1,155,446,916.48-1,594,516,744.89-660,420,253.80

Finding the Fourth Proportional to 1,155,446,916.48, 1,594,516,744.89 and 660,420,253.80

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Solution

The fourth proportional to 1,155,446,916.48, 1,594,516,744.89 and 660,420,253.80 is: 911,379,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,916.48 : 1,594,516,744.89 = 660,420,253.80 : x
  2. Step 2: Convert to fraction form
    1,155,446,916.48/1,594,516,744.89 = 660,420,253.80/x
  3. Step 3: Cross multiply
    1,155,446,916.48x = 1,594,516,744.89 × 660,420,253.80
  4. Step 4: Simplify right side
    1,155,446,916.48x = 1,053,051,153,348,603,648
  5. Step 5: Solve for x
    x = 1,053,051,153,348,603,648/1,155,446,916.48
  6. Step 6: Final answer
    x = 911,379,950.33

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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.