Home / 765,312,411.36-1,056,164,573.04-430,806,518.58

Finding the Fourth Proportional to 765,312,411.36, 1,056,164,573.04 and 430,806,518.58

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Solution

The fourth proportional to 765,312,411.36, 1,056,164,573.04 and 430,806,518.58 is: 594,531,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,312,411.36 : 1,056,164,573.04 = 430,806,518.58 : x
  2. Step 2: Convert to fraction form
    765,312,411.36/1,056,164,573.04 = 430,806,518.58/x
  3. Step 3: Cross multiply
    765,312,411.36x = 1,056,164,573.04 × 430,806,518.58
  4. Step 4: Simplify right side
    765,312,411.36x = 455,002,582,755,293,056
  5. Step 5: Solve for x
    x = 455,002,582,755,293,056/765,312,411.36
  6. Step 6: Final answer
    x = 594,531,822.56

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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.