Home / 738,124,515.90-1,106,430,946.65-431,258,672.70

Finding the Fourth Proportional to 738,124,515.90, 1,106,430,946.65 and 431,258,672.70

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Solution

The fourth proportional to 738,124,515.90, 1,106,430,946.65 and 431,258,672.70 is: 646,446,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,124,515.90 : 1,106,430,946.65 = 431,258,672.70 : x
  2. Step 2: Convert to fraction form
    738,124,515.90/1,106,430,946.65 = 431,258,672.70/x
  3. Step 3: Cross multiply
    738,124,515.90x = 1,106,430,946.65 × 431,258,672.70
  4. Step 4: Simplify right side
    738,124,515.90x = 477,157,941,486,483,520
  5. Step 5: Solve for x
    x = 477,157,941,486,483,520/738,124,515.90
  6. Step 6: Final answer
    x = 646,446,407.36

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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.