Home / 387,075,416.40-580,613,124.60-144,706,827.60

Finding the Fourth Proportional to 387,075,416.40, 580,613,124.60 and 144,706,827.60

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Solution

The fourth proportional to 387,075,416.40, 580,613,124.60 and 144,706,827.60 is: 217,060,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,075,416.40 : 580,613,124.60 = 144,706,827.60 : x
  2. Step 2: Convert to fraction form
    387,075,416.40/580,613,124.60 = 144,706,827.60/x
  3. Step 3: Cross multiply
    387,075,416.40x = 580,613,124.60 × 144,706,827.60
  4. Step 4: Simplify right side
    387,075,416.40x = 84,018,683,323,789,520
  5. Step 5: Solve for x
    x = 84,018,683,323,789,520/387,075,416.40
  6. Step 6: Final answer
    x = 217,060,241.40

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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.