Home / 648,537,898.64-895,046,194.28-370,121,329.04

Finding the Fourth Proportional to 648,537,898.64, 895,046,194.28 and 370,121,329.04

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Solution

The fourth proportional to 648,537,898.64, 895,046,194.28 and 370,121,329.04 is: 510,803,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,537,898.64 : 895,046,194.28 = 370,121,329.04 : x
  2. Step 2: Convert to fraction form
    648,537,898.64/895,046,194.28 = 370,121,329.04/x
  3. Step 3: Cross multiply
    648,537,898.64x = 895,046,194.28 × 370,121,329.04
  4. Step 4: Simplify right side
    648,537,898.64x = 331,275,686,979,107,648
  5. Step 5: Solve for x
    x = 331,275,686,979,107,648/648,537,898.64
  6. Step 6: Final answer
    x = 510,803,898.54

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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.