Home / 526,656,431.94-788,885,332.32-315,898,724.60

Finding the Fourth Proportional to 526,656,431.94, 788,885,332.32 and 315,898,724.60

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Solution

The fourth proportional to 526,656,431.94, 788,885,332.32 and 315,898,724.60 is: 473,188,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,656,431.94 : 788,885,332.32 = 315,898,724.60 : x
  2. Step 2: Convert to fraction form
    526,656,431.94/788,885,332.32 = 315,898,724.60/x
  3. Step 3: Cross multiply
    526,656,431.94x = 788,885,332.32 × 315,898,724.60
  4. Step 4: Simplify right side
    526,656,431.94x = 249,207,870,340,175,104
  5. Step 5: Solve for x
    x = 249,207,870,340,175,104/526,656,431.94
  6. Step 6: Final answer
    x = 473,188,696.13

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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.