Home / 940,909,659.84-1,411,525,281.87-387,909,790.35

Finding the Fourth Proportional to 940,909,659.84, 1,411,525,281.87 and 387,909,790.35

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Solution

The fourth proportional to 940,909,659.84, 1,411,525,281.87 and 387,909,790.35 is: 581,930,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,909,659.84 : 1,411,525,281.87 = 387,909,790.35 : x
  2. Step 2: Convert to fraction form
    940,909,659.84/1,411,525,281.87 = 387,909,790.35/x
  3. Step 3: Cross multiply
    940,909,659.84x = 1,411,525,281.87 × 387,909,790.35
  4. Step 4: Simplify right side
    940,909,659.84x = 547,544,476,163,916,352
  5. Step 5: Solve for x
    x = 547,544,476,163,916,352/940,909,659.84
  6. Step 6: Final answer
    x = 581,930,975.45

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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.