Home / 718,537,689.20-1,077,806,533.80-446,439,897.20

Finding the Fourth Proportional to 718,537,689.20, 1,077,806,533.80 and 446,439,897.20

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Solution

The fourth proportional to 718,537,689.20, 1,077,806,533.80 and 446,439,897.20 is: 669,659,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,537,689.20 : 1,077,806,533.80 = 446,439,897.20 : x
  2. Step 2: Convert to fraction form
    718,537,689.20/1,077,806,533.80 = 446,439,897.20/x
  3. Step 3: Cross multiply
    718,537,689.20x = 1,077,806,533.80 × 446,439,897.20
  4. Step 4: Simplify right side
    718,537,689.20x = 481,175,838,151,160,320
  5. Step 5: Solve for x
    x = 481,175,838,151,160,320/718,537,689.20
  6. Step 6: Final answer
    x = 669,659,845.80

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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.