Home / 1,009,826,079.85-1,393,453,829.32-586,356,963.67

Finding the Fourth Proportional to 1,009,826,079.85, 1,393,453,829.32 and 586,356,963.67

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Solution

The fourth proportional to 1,009,826,079.85, 1,393,453,829.32 and 586,356,963.67 is: 809,110,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,826,079.85 : 1,393,453,829.32 = 586,356,963.67 : x
  2. Step 2: Convert to fraction form
    1,009,826,079.85/1,393,453,829.32 = 586,356,963.67/x
  3. Step 3: Cross multiply
    1,009,826,079.85x = 1,393,453,829.32 × 586,356,963.67
  4. Step 4: Simplify right side
    1,009,826,079.85x = 817,061,356,374,409,472
  5. Step 5: Solve for x
    x = 817,061,356,374,409,472/1,009,826,079.85
  6. Step 6: Final answer
    x = 809,110,967.40

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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.