Home / 875,806,522.79-1,208,616,203.34-473,920,273.56

Finding the Fourth Proportional to 875,806,522.79, 1,208,616,203.34 and 473,920,273.56

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Solution

The fourth proportional to 875,806,522.79, 1,208,616,203.34 and 473,920,273.56 is: 654,011,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,806,522.79 : 1,208,616,203.34 = 473,920,273.56 : x
  2. Step 2: Convert to fraction form
    875,806,522.79/1,208,616,203.34 = 473,920,273.56/x
  3. Step 3: Cross multiply
    875,806,522.79x = 1,208,616,203.34 × 473,920,273.56
  4. Step 4: Simplify right side
    875,806,522.79x = 572,787,721,715,941,376
  5. Step 5: Solve for x
    x = 572,787,721,715,941,376/875,806,522.79
  6. Step 6: Final answer
    x = 654,011,710.14

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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.