Home / 578,564,929.30-798,406,022.85-340,425,538.01

Finding the Fourth Proportional to 578,564,929.30, 798,406,022.85 and 340,425,538.01

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Solution

The fourth proportional to 578,564,929.30, 798,406,022.85 and 340,425,538.01 is: 469,779,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,564,929.30 : 798,406,022.85 = 340,425,538.01 : x
  2. Step 2: Convert to fraction form
    578,564,929.30/798,406,022.85 = 340,425,538.01/x
  3. Step 3: Cross multiply
    578,564,929.30x = 798,406,022.85 × 340,425,538.01
  4. Step 4: Simplify right side
    578,564,929.30x = 271,797,799,879,135,616
  5. Step 5: Solve for x
    x = 271,797,799,879,135,616/578,564,929.30
  6. Step 6: Final answer
    x = 469,779,252.28

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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.