Home / 765,312,411.86-1,056,164,573.73-430,806,519.08

Finding the Fourth Proportional to 765,312,411.86, 1,056,164,573.73 and 430,806,519.08

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Solution

The fourth proportional to 765,312,411.86, 1,056,164,573.73 and 430,806,519.08 is: 594,531,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,312,411.86 : 1,056,164,573.73 = 430,806,519.08 : x
  2. Step 2: Convert to fraction form
    765,312,411.86/1,056,164,573.73 = 430,806,519.08/x
  3. Step 3: Cross multiply
    765,312,411.86x = 1,056,164,573.73 × 430,806,519.08
  4. Step 4: Simplify right side
    765,312,411.86x = 455,002,583,582,079,296
  5. Step 5: Solve for x
    x = 455,002,583,582,079,296/765,312,411.86
  6. Step 6: Final answer
    x = 594,531,823.25

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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.