Home / 765,256,210.46-1,056,050,980.68-430,728,539.11

Finding the Fourth Proportional to 765,256,210.46, 1,056,050,980.68 and 430,728,539.11

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Solution

The fourth proportional to 765,256,210.46, 1,056,050,980.68 and 430,728,539.11 is: 594,403,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,256,210.46 : 1,056,050,980.68 = 430,728,539.11 : x
  2. Step 2: Convert to fraction form
    765,256,210.46/1,056,050,980.68 = 430,728,539.11/x
  3. Step 3: Cross multiply
    765,256,210.46x = 1,056,050,980.68 × 430,728,539.11
  4. Step 4: Simplify right side
    765,256,210.46x = 454,871,296,133,498,752
  5. Step 5: Solve for x
    x = 454,871,296,133,498,752/765,256,210.46
  6. Step 6: Final answer
    x = 594,403,926.31

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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.