Home / 1,238,836,474.63-1,709,639,445.96-674,294,089.67

Finding the Fourth Proportional to 1,238,836,474.63, 1,709,639,445.96 and 674,294,089.67

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Solution

The fourth proportional to 1,238,836,474.63, 1,709,639,445.96 and 674,294,089.67 is: 930,550,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,836,474.63 : 1,709,639,445.96 = 674,294,089.67 : x
  2. Step 2: Convert to fraction form
    1,238,836,474.63/1,709,639,445.96 = 674,294,089.67/x
  3. Step 3: Cross multiply
    1,238,836,474.63x = 1,709,639,445.96 × 674,294,089.67
  4. Step 4: Simplify right side
    1,238,836,474.63x = 1,152,799,773,877,521,280
  5. Step 5: Solve for x
    x = 1,152,799,773,877,521,280/1,238,836,474.63
  6. Step 6: Final answer
    x = 930,550,397.48

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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.