Home / 911,732,140-1,258,051,193.52-515,110,413.84

Finding the Fourth Proportional to 911,732,140, 1,258,051,193.52 and 515,110,413.84

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Solution

The fourth proportional to 911,732,140, 1,258,051,193.52 and 515,110,413.84 is: 710,773,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,732,140 : 1,258,051,193.52 = 515,110,413.84 : x
  2. Step 2: Convert to fraction form
    911,732,140/1,258,051,193.52 = 515,110,413.84/x
  3. Step 3: Cross multiply
    911,732,140x = 1,258,051,193.52 × 515,110,413.84
  4. Step 4: Simplify right side
    911,732,140x = 648,035,270,925,993,088
  5. Step 5: Solve for x
    x = 648,035,270,925,993,088/911,732,140
  6. Step 6: Final answer
    x = 710,773,748.66

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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.