Home / 753,799,256.61-1,040,228,056.93-419,264,582.91

Finding the Fourth Proportional to 753,799,256.61, 1,040,228,056.93 and 419,264,582.91

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Solution

The fourth proportional to 753,799,256.61, 1,040,228,056.93 and 419,264,582.91 is: 578,576,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,799,256.61 : 1,040,228,056.93 = 419,264,582.91 : x
  2. Step 2: Convert to fraction form
    753,799,256.61/1,040,228,056.93 = 419,264,582.91/x
  3. Step 3: Cross multiply
    753,799,256.61x = 1,040,228,056.93 × 419,264,582.91
  4. Step 4: Simplify right side
    753,799,256.61x = 436,130,782,420,036,160
  5. Step 5: Solve for x
    x = 436,130,782,420,036,160/753,799,256.61
  6. Step 6: Final answer
    x = 578,576,827.45

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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.