Home / 473,319,140-709,945,038.30-145,760,497.16

Finding the Fourth Proportional to 473,319,140, 709,945,038.30 and 145,760,497.16

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Solution

The fourth proportional to 473,319,140, 709,945,038.30 and 145,760,497.16 is: 218,630,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,319,140 : 709,945,038.30 = 145,760,497.16 : x
  2. Step 2: Convert to fraction form
    473,319,140/709,945,038.30 = 145,760,497.16/x
  3. Step 3: Cross multiply
    473,319,140x = 709,945,038.30 × 145,760,497.16
  4. Step 4: Simplify right side
    473,319,140x = 103,481,941,738,883,232
  5. Step 5: Solve for x
    x = 103,481,941,738,883,232/473,319,140
  6. Step 6: Final answer
    x = 218,630,376.41

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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.