Home / 1,005,595,582.28-1,388,359,485.86-688,586,316.52

Finding the Fourth Proportional to 1,005,595,582.28, 1,388,359,485.86 and 688,586,316.52

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Solution

The fourth proportional to 1,005,595,582.28, 1,388,359,485.86 and 688,586,316.52 is: 950,685,704.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,595,582.28 : 1,388,359,485.86 = 688,586,316.52 : x
  2. Step 2: Convert to fraction form
    1,005,595,582.28/1,388,359,485.86 = 688,586,316.52/x
  3. Step 3: Cross multiply
    1,005,595,582.28x = 1,388,359,485.86 × 688,586,316.52
  4. Step 4: Simplify right side
    1,005,595,582.28x = 956,005,344,373,938,304
  5. Step 5: Solve for x
    x = 956,005,344,373,938,304/1,005,595,582.28
  6. Step 6: Final answer
    x = 950,685,704.29

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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.