Home / 442,586,598.30-663,879,897.45-429,832,014.30

Finding the Fourth Proportional to 442,586,598.30, 663,879,897.45 and 429,832,014.30

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Solution

The fourth proportional to 442,586,598.30, 663,879,897.45 and 429,832,014.30 is: 644,748,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,586,598.30 : 663,879,897.45 = 429,832,014.30 : x
  2. Step 2: Convert to fraction form
    442,586,598.30/663,879,897.45 = 429,832,014.30/x
  3. Step 3: Cross multiply
    442,586,598.30x = 663,879,897.45 × 429,832,014.30
  4. Step 4: Simplify right side
    442,586,598.30x = 285,356,833,574,210,976
  5. Step 5: Solve for x
    x = 285,356,833,574,210,976/442,586,598.30
  6. Step 6: Final answer
    x = 644,748,021.45

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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.