Home / 979,897,701.40-1,468,145,940.90-826,842,693.40

Finding the Fourth Proportional to 979,897,701.40, 1,468,145,940.90 and 826,842,693.40

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Solution

The fourth proportional to 979,897,701.40, 1,468,145,940.90 and 826,842,693.40 is: 1,238,829,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,897,701.40 : 1,468,145,940.90 = 826,842,693.40 : x
  2. Step 2: Convert to fraction form
    979,897,701.40/1,468,145,940.90 = 826,842,693.40/x
  3. Step 3: Cross multiply
    979,897,701.40x = 1,468,145,940.90 × 826,842,693.40
  4. Step 4: Simplify right side
    979,897,701.40x = 1,213,925,744,078,033,152
  5. Step 5: Solve for x
    x = 1,213,925,744,078,033,152/979,897,701.40
  6. Step 6: Final answer
    x = 1,238,829,055.67

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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.