Home / 540,329,116.80-745,366,667.04-328,700,683.20

Finding the Fourth Proportional to 540,329,116.80, 745,366,667.04 and 328,700,683.20

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Solution

The fourth proportional to 540,329,116.80, 745,366,667.04 and 328,700,683.20 is: 453,432,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,329,116.80 : 745,366,667.04 = 328,700,683.20 : x
  2. Step 2: Convert to fraction form
    540,329,116.80/745,366,667.04 = 328,700,683.20/x
  3. Step 3: Cross multiply
    540,329,116.80x = 745,366,667.04 × 328,700,683.20
  4. Step 4: Simplify right side
    540,329,116.80x = 245,002,532,690,554,912
  5. Step 5: Solve for x
    x = 245,002,532,690,554,912/540,329,116.80
  6. Step 6: Final answer
    x = 453,432,038.13

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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.