Home / 371,896,718.43-512,049,256.16-316,024,292.19

Finding the Fourth Proportional to 371,896,718.43, 512,049,256.16 and 316,024,292.19

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Solution

The fourth proportional to 371,896,718.43, 512,049,256.16 and 316,024,292.19 is: 435,120,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,896,718.43 : 512,049,256.16 = 316,024,292.19 : x
  2. Step 2: Convert to fraction form
    371,896,718.43/512,049,256.16 = 316,024,292.19/x
  3. Step 3: Cross multiply
    371,896,718.43x = 512,049,256.16 × 316,024,292.19
  4. Step 4: Simplify right side
    371,896,718.43x = 161,820,003,742,799,872
  5. Step 5: Solve for x
    x = 161,820,003,742,799,872/371,896,718.43
  6. Step 6: Final answer
    x = 435,120,816.41

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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.