Home / 759,210,128.93-1,047,251,855.29-501,423,326.98

Finding the Fourth Proportional to 759,210,128.93, 1,047,251,855.29 and 501,423,326.98

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Solution

The fourth proportional to 759,210,128.93, 1,047,251,855.29 and 501,423,326.98 is: 691,661,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,210,128.93 : 1,047,251,855.29 = 501,423,326.98 : x
  2. Step 2: Convert to fraction form
    759,210,128.93/1,047,251,855.29 = 501,423,326.98/x
  3. Step 3: Cross multiply
    759,210,128.93x = 1,047,251,855.29 × 501,423,326.98
  4. Step 4: Simplify right side
    759,210,128.93x = 525,116,509,457,745,920
  5. Step 5: Solve for x
    x = 525,116,509,457,745,920/759,210,128.93
  6. Step 6: Final answer
    x = 691,661,622.32

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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.