Home / 489,509,773.20-732,564,048.60-448,695,104.40

Finding the Fourth Proportional to 489,509,773.20, 732,564,048.60 and 448,695,104.40

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Solution

The fourth proportional to 489,509,773.20, 732,564,048.60 and 448,695,104.40 is: 671,483,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,509,773.20 : 732,564,048.60 = 448,695,104.40 : x
  2. Step 2: Convert to fraction form
    489,509,773.20/732,564,048.60 = 448,695,104.40/x
  3. Step 3: Cross multiply
    489,509,773.20x = 732,564,048.60 × 448,695,104.40
  4. Step 4: Simplify right side
    489,509,773.20x = 328,697,902,266,263,680
  5. Step 5: Solve for x
    x = 328,697,902,266,263,680/489,509,773.20
  6. Step 6: Final answer
    x = 671,483,840.08

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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.