Home / 866,228,637.60-1,299,531,913.20-252,762,890.40

Finding the Fourth Proportional to 866,228,637.60, 1,299,531,913.20 and 252,762,890.40

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Solution

The fourth proportional to 866,228,637.60, 1,299,531,913.20 and 252,762,890.40 is: 379,199,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,228,637.60 : 1,299,531,913.20 = 252,762,890.40 : x
  2. Step 2: Convert to fraction form
    866,228,637.60/1,299,531,913.20 = 252,762,890.40/x
  3. Step 3: Cross multiply
    866,228,637.60x = 1,299,531,913.20 × 252,762,890.40
  4. Step 4: Simplify right side
    866,228,637.60x = 328,473,442,547,473,920
  5. Step 5: Solve for x
    x = 328,473,442,547,473,920/866,228,637.60
  6. Step 6: Final answer
    x = 379,199,472.62

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1.5x scale

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.