Home / 290,644,528,077.15-435,966,792,115.73-286,726,319,872.35

Finding the Fourth Proportional to 290,644,528,077.15, 435,966,792,115.73 and 286,726,319,872.35

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Solution

The fourth proportional to 290,644,528,077.15, 435,966,792,115.73 and 286,726,319,872.35 is: 430,089,479,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,644,528,077.15 : 435,966,792,115.73 = 286,726,319,872.35 : x
  2. Step 2: Convert to fraction form
    290,644,528,077.15/435,966,792,115.73 = 286,726,319,872.35/x
  3. Step 3: Cross multiply
    290,644,528,077.15x = 435,966,792,115.73 × 286,726,319,872.35
  4. Step 4: Simplify right side
    290,644,528,077.15x = 125,003,153,889,897,092,218,880
  5. Step 5: Solve for x
    x = 125,003,153,889,897,092,218,880/290,644,528,077.15
  6. Step 6: Final answer
    x = 430,089,479,808.53

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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.