Home / 1,065,709,946.50-1,470,605,067.18-619,641,663.34

Finding the Fourth Proportional to 1,065,709,946.50, 1,470,605,067.18 and 619,641,663.34

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Solution

The fourth proportional to 1,065,709,946.50, 1,470,605,067.18 and 619,641,663.34 is: 855,062,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,709,946.50 : 1,470,605,067.18 = 619,641,663.34 : x
  2. Step 2: Convert to fraction form
    1,065,709,946.50/1,470,605,067.18 = 619,641,663.34/x
  3. Step 3: Cross multiply
    1,065,709,946.50x = 1,470,605,067.18 × 619,641,663.34
  4. Step 4: Simplify right side
    1,065,709,946.50x = 911,248,169,943,647,744
  5. Step 5: Solve for x
    x = 911,248,169,943,647,744/1,065,709,946.50
  6. Step 6: Final answer
    x = 855,062,086.02

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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.