Home / 559,554,120.64-772,185,430.28-308,652,852.80

Finding the Fourth Proportional to 559,554,120.64, 772,185,430.28 and 308,652,852.80

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Solution

The fourth proportional to 559,554,120.64, 772,185,430.28 and 308,652,852.80 is: 425,941,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,554,120.64 : 772,185,430.28 = 308,652,852.80 : x
  2. Step 2: Convert to fraction form
    559,554,120.64/772,185,430.28 = 308,652,852.80/x
  3. Step 3: Cross multiply
    559,554,120.64x = 772,185,430.28 × 308,652,852.80
  4. Step 4: Simplify right side
    559,554,120.64x = 238,337,235,946,517,504
  5. Step 5: Solve for x
    x = 238,337,235,946,517,504/559,554,120.64
  6. Step 6: Final answer
    x = 425,941,347.15

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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.