Home / 1,385,323,034.66-1,911,722,160.86-750,238,379.67

Finding the Fourth Proportional to 1,385,323,034.66, 1,911,722,160.86 and 750,238,379.67

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Solution

The fourth proportional to 1,385,323,034.66, 1,911,722,160.86 and 750,238,379.67 is: 1,035,316,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,323,034.66 : 1,911,722,160.86 = 750,238,379.67 : x
  2. Step 2: Convert to fraction form
    1,385,323,034.66/1,911,722,160.86 = 750,238,379.67/x
  3. Step 3: Cross multiply
    1,385,323,034.66x = 1,911,722,160.86 × 750,238,379.67
  4. Step 4: Simplify right side
    1,385,323,034.66x = 1,434,247,336,338,287,360
  5. Step 5: Solve for x
    x = 1,434,247,336,338,287,360/1,385,323,034.66
  6. Step 6: Final answer
    x = 1,035,316,168.47

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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.