Home / 686,016,737.60-1,029,025,106.40-395,779,092.80

Finding the Fourth Proportional to 686,016,737.60, 1,029,025,106.40 and 395,779,092.80

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Solution

The fourth proportional to 686,016,737.60, 1,029,025,106.40 and 395,779,092.80 is: 593,668,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,016,737.60 : 1,029,025,106.40 = 395,779,092.80 : x
  2. Step 2: Convert to fraction form
    686,016,737.60/1,029,025,106.40 = 395,779,092.80/x
  3. Step 3: Cross multiply
    686,016,737.60x = 1,029,025,106.40 × 395,779,092.80
  4. Step 4: Simplify right side
    686,016,737.60x = 407,266,623,079,415,488
  5. Step 5: Solve for x
    x = 407,266,623,079,415,488/686,016,737.60
  6. Step 6: Final answer
    x = 593,668,639.20

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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.