Home / 581,730,732.33-872,531,640.36-208,223,700.86

Finding the Fourth Proportional to 581,730,732.33, 872,531,640.36 and 208,223,700.86

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Solution

The fourth proportional to 581,730,732.33, 872,531,640.36 and 208,223,700.86 is: 312,312,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,730,732.33 : 872,531,640.36 = 208,223,700.86 : x
  2. Step 2: Convert to fraction form
    581,730,732.33/872,531,640.36 = 208,223,700.86/x
  3. Step 3: Cross multiply
    581,730,732.33x = 872,531,640.36 × 208,223,700.86
  4. Step 4: Simplify right side
    581,730,732.33x = 181,681,767,268,843,072
  5. Step 5: Solve for x
    x = 181,681,767,268,843,072/581,730,732.33
  6. Step 6: Final answer
    x = 312,312,479.25

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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.