Home / 1,691,565,006.90-2,539,838,287.38-946,041,429.12

Finding the Fourth Proportional to 1,691,565,006.90, 2,539,838,287.38 and 946,041,429.12

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Solution

The fourth proportional to 1,691,565,006.90, 2,539,838,287.38 and 946,041,429.12 is: 1,420,455,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,565,006.90 : 2,539,838,287.38 = 946,041,429.12 : x
  2. Step 2: Convert to fraction form
    1,691,565,006.90/2,539,838,287.38 = 946,041,429.12/x
  3. Step 3: Cross multiply
    1,691,565,006.90x = 2,539,838,287.38 × 946,041,429.12
  4. Step 4: Simplify right side
    1,691,565,006.90x = 2,402,792,243,126,668,800
  5. Step 5: Solve for x
    x = 2,402,792,243,126,668,800/1,691,565,006.90
  6. Step 6: Final answer
    x = 1,420,455,160.35

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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.