Home / 1,158,072,810.60-1,598,133,024.54-663,131,178.60

Finding the Fourth Proportional to 1,158,072,810.60, 1,598,133,024.54 and 663,131,178.60

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Solution

The fourth proportional to 1,158,072,810.60, 1,598,133,024.54 and 663,131,178.60 is: 915,116,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,072,810.60 : 1,598,133,024.54 = 663,131,178.60 : x
  2. Step 2: Convert to fraction form
    1,158,072,810.60/1,598,133,024.54 = 663,131,178.60/x
  3. Step 3: Cross multiply
    1,158,072,810.60x = 1,598,133,024.54 × 663,131,178.60
  4. Step 4: Simplify right side
    1,158,072,810.60x = 1,059,771,836,122,792,960
  5. Step 5: Solve for x
    x = 1,059,771,836,122,792,960/1,158,072,810.60
  6. Step 6: Final answer
    x = 915,116,758.14

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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.