Home / 393,077,013,628.88-589,674,475,088.10-138,061,449,317.77

Finding the Fourth Proportional to 393,077,013,628.88, 589,674,475,088.10 and 138,061,449,317.77

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Solution

The fourth proportional to 393,077,013,628.88, 589,674,475,088.10 and 138,061,449,317.77 is: 207,112,880,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,077,013,628.88 : 589,674,475,088.10 = 138,061,449,317.77 : x
  2. Step 2: Convert to fraction form
    393,077,013,628.88/589,674,475,088.10 = 138,061,449,317.77/x
  3. Step 3: Cross multiply
    393,077,013,628.88x = 589,674,475,088.10 × 138,061,449,317.77
  4. Step 4: Simplify right side
    393,077,013,628.88x = 81,411,312,656,358,343,442,432
  5. Step 5: Solve for x
    x = 81,411,312,656,358,343,442,432/393,077,013,628.88
  6. Step 6: Final answer
    x = 207,112,880,768.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.