Home / 581,730,734.08-872,531,642.98-208,223,702.61

Finding the Fourth Proportional to 581,730,734.08, 872,531,642.98 and 208,223,702.61

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Solution

The fourth proportional to 581,730,734.08, 872,531,642.98 and 208,223,702.61 is: 312,312,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,730,734.08 : 872,531,642.98 = 208,223,702.61 : x
  2. Step 2: Convert to fraction form
    581,730,734.08/872,531,642.98 = 208,223,702.61/x
  3. Step 3: Cross multiply
    581,730,734.08x = 872,531,642.98 × 208,223,702.61
  4. Step 4: Simplify right side
    581,730,734.08x = 181,681,769,345,682,240
  5. Step 5: Solve for x
    x = 181,681,769,345,682,240/581,730,734.08
  6. Step 6: Final answer
    x = 312,312,481.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.