Home / 691,516,442.31-954,295,545.85-373,976,681.32

Finding the Fourth Proportional to 691,516,442.31, 954,295,545.85 and 373,976,681.32

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Solution

The fourth proportional to 691,516,442.31, 954,295,545.85 and 373,976,681.32 is: 516,089,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,516,442.31 : 954,295,545.85 = 373,976,681.32 : x
  2. Step 2: Convert to fraction form
    691,516,442.31/954,295,545.85 = 373,976,681.32/x
  3. Step 3: Cross multiply
    691,516,442.31x = 954,295,545.85 × 373,976,681.32
  4. Step 4: Simplify right side
    691,516,442.31x = 356,884,281,235,698,816
  5. Step 5: Solve for x
    x = 356,884,281,235,698,816/691,516,442.31
  6. Step 6: Final answer
    x = 516,089,364.48

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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.