Home / 999,021,030.40-1,497,924,729.60-500,451,721.66

Finding the Fourth Proportional to 999,021,030.40, 1,497,924,729.60 and 500,451,721.66

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Solution

The fourth proportional to 999,021,030.40, 1,497,924,729.60 and 500,451,721.66 is: 750,373,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,021,030.40 : 1,497,924,729.60 = 500,451,721.66 : x
  2. Step 2: Convert to fraction form
    999,021,030.40/1,497,924,729.60 = 500,451,721.66/x
  3. Step 3: Cross multiply
    999,021,030.40x = 1,497,924,729.60 × 500,451,721.66
  4. Step 4: Simplify right side
    999,021,030.40x = 749,639,009,845,409,920
  5. Step 5: Solve for x
    x = 749,639,009,845,409,920/999,021,030.40
  6. Step 6: Final answer
    x = 750,373,602.79

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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.