Home / 1,341,145,431.91-1,850,748,031.56-738,311,155.38

Finding the Fourth Proportional to 1,341,145,431.91, 1,850,748,031.56 and 738,311,155.38

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Solution

The fourth proportional to 1,341,145,431.91, 1,850,748,031.56 and 738,311,155.38 is: 1,018,851,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,145,431.91 : 1,850,748,031.56 = 738,311,155.38 : x
  2. Step 2: Convert to fraction form
    1,341,145,431.91/1,850,748,031.56 = 738,311,155.38/x
  3. Step 3: Cross multiply
    1,341,145,431.91x = 1,850,748,031.56 × 738,311,155.38
  4. Step 4: Simplify right side
    1,341,145,431.91x = 1,366,427,917,498,324,224
  5. Step 5: Solve for x
    x = 1,366,427,917,498,324,224/1,341,145,431.91
  6. Step 6: Final answer
    x = 1,018,851,412.38

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Double scale
Find fourth proportional to 1,341,145,432.91, 1,850,748,032.94 and 738,311,156.38
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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.