Home / 684,090,561.52-943,435,425.63-533,420,564.50

Finding the Fourth Proportional to 684,090,561.52, 943,435,425.63 and 533,420,564.50

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Solution

The fourth proportional to 684,090,561.52, 943,435,425.63 and 533,420,564.50 is: 735,645,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,090,561.52 : 943,435,425.63 = 533,420,564.50 : x
  2. Step 2: Convert to fraction form
    684,090,561.52/943,435,425.63 = 533,420,564.50/x
  3. Step 3: Cross multiply
    684,090,561.52x = 943,435,425.63 × 533,420,564.50
  4. Step 4: Simplify right side
    684,090,561.52x = 503,247,857,308,852,352
  5. Step 5: Solve for x
    x = 503,247,857,308,852,352/684,090,561.52
  6. Step 6: Final answer
    x = 735,645,082.12

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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.