Home / 612,178,327.95-919,224,085.73-353,898,001.95

Finding the Fourth Proportional to 612,178,327.95, 919,224,085.73 and 353,898,001.95

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Solution

The fourth proportional to 612,178,327.95, 919,224,085.73 and 353,898,001.95 is: 531,400,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,178,327.95 : 919,224,085.73 = 353,898,001.95 : x
  2. Step 2: Convert to fraction form
    612,178,327.95/919,224,085.73 = 353,898,001.95/x
  3. Step 3: Cross multiply
    612,178,327.95x = 919,224,085.73 × 353,898,001.95
  4. Step 4: Simplify right side
    612,178,327.95x = 325,311,567,282,393,024
  5. Step 5: Solve for x
    x = 325,311,567,282,393,024/612,178,327.95
  6. Step 6: Final answer
    x = 531,400,006.22

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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.