Home / 612,931,756.76-845,863,688.60-334,491,216.20

Finding the Fourth Proportional to 612,931,756.76, 845,863,688.60 and 334,491,216.20

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Solution

The fourth proportional to 612,931,756.76, 845,863,688.60 and 334,491,216.20 is: 461,607,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,756.76 : 845,863,688.60 = 334,491,216.20 : x
  2. Step 2: Convert to fraction form
    612,931,756.76/845,863,688.60 = 334,491,216.20/x
  3. Step 3: Cross multiply
    612,931,756.76x = 845,863,688.60 × 334,491,216.20
  4. Step 4: Simplify right side
    612,931,756.76x = 282,933,973,939,232,064
  5. Step 5: Solve for x
    x = 282,933,973,939,232,064/612,931,756.76
  6. Step 6: Final answer
    x = 461,607,627.31

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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.