Home / 554,421,125.57-832,449,210.75-309,256,763.45

Finding the Fourth Proportional to 554,421,125.57, 832,449,210.75 and 309,256,763.45

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Solution

The fourth proportional to 554,421,125.57, 832,449,210.75 and 309,256,763.45 is: 464,341,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,421,125.57 : 832,449,210.75 = 309,256,763.45 : x
  2. Step 2: Convert to fraction form
    554,421,125.57/832,449,210.75 = 309,256,763.45/x
  3. Step 3: Cross multiply
    554,421,125.57x = 832,449,210.75 × 309,256,763.45
  4. Step 4: Simplify right side
    554,421,125.57x = 257,440,548,648,889,696
  5. Step 5: Solve for x
    x = 257,440,548,648,889,696/554,421,125.57
  6. Step 6: Final answer
    x = 464,341,160.14

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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.