Home / 1,087,247,933.31-1,630,574,254.56-300,113,417.49

Finding the Fourth Proportional to 1,087,247,933.31, 1,630,574,254.56 and 300,113,417.49

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Solution

The fourth proportional to 1,087,247,933.31, 1,630,574,254.56 and 300,113,417.49 is: 450,087,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,247,933.31 : 1,630,574,254.56 = 300,113,417.49 : x
  2. Step 2: Convert to fraction form
    1,087,247,933.31/1,630,574,254.56 = 300,113,417.49/x
  3. Step 3: Cross multiply
    1,087,247,933.31x = 1,630,574,254.56 × 300,113,417.49
  4. Step 4: Simplify right side
    1,087,247,933.31x = 489,357,212,007,210,816
  5. Step 5: Solve for x
    x = 489,357,212,007,210,816/1,087,247,933.31
  6. Step 6: Final answer
    x = 450,087,967.07

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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.