Home / 442,684,296.72-663,980,818.86-147,547,527.12

Finding the Fourth Proportional to 442,684,296.72, 663,980,818.86 and 147,547,527.12

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Solution

The fourth proportional to 442,684,296.72, 663,980,818.86 and 147,547,527.12 is: 221,306,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,684,296.72 : 663,980,818.86 = 147,547,527.12 : x
  2. Step 2: Convert to fraction form
    442,684,296.72/663,980,818.86 = 147,547,527.12/x
  3. Step 3: Cross multiply
    442,684,296.72x = 663,980,818.86 × 147,547,527.12
  4. Step 4: Simplify right side
    442,684,296.72x = 97,968,727,877,905,664
  5. Step 5: Solve for x
    x = 97,968,727,877,905,664/442,684,296.72
  6. Step 6: Final answer
    x = 221,306,083.37

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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.