Home / 648,249,012.63-894,696,680.84-384,079,737.15

Finding the Fourth Proportional to 648,249,012.63, 894,696,680.84 and 384,079,737.15

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Solution

The fourth proportional to 648,249,012.63, 894,696,680.84 and 384,079,737.15 is: 530,097,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,249,012.63 : 894,696,680.84 = 384,079,737.15 : x
  2. Step 2: Convert to fraction form
    648,249,012.63/894,696,680.84 = 384,079,737.15/x
  3. Step 3: Cross multiply
    648,249,012.63x = 894,696,680.84 × 384,079,737.15
  4. Step 4: Simplify right side
    648,249,012.63x = 343,634,866,004,084,224
  5. Step 5: Solve for x
    x = 343,634,866,004,084,224/648,249,012.63
  6. Step 6: Final answer
    x = 530,097,014.12

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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.