Home / 673,822,124.80-1,011,489,014.40-521,145,030.40

Finding the Fourth Proportional to 673,822,124.80, 1,011,489,014.40 and 521,145,030.40

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Solution

The fourth proportional to 673,822,124.80, 1,011,489,014.40 and 521,145,030.40 is: 782,302,114.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,822,124.80 : 1,011,489,014.40 = 521,145,030.40 : x
  2. Step 2: Convert to fraction form
    673,822,124.80/1,011,489,014.40 = 521,145,030.40/x
  3. Step 3: Cross multiply
    673,822,124.80x = 1,011,489,014.40 × 521,145,030.40
  4. Step 4: Simplify right side
    673,822,124.80x = 527,132,473,158,753,984
  5. Step 5: Solve for x
    x = 527,132,473,158,753,984/673,822,124.80
  6. Step 6: Final answer
    x = 782,302,114.69

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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.