Home / 7,838,424,005.10-11,757,636,007.65-7,239,808,862.70

Finding the Fourth Proportional to 7,838,424,005.10, 11,757,636,007.65 and 7,239,808,862.70

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Solution

The fourth proportional to 7,838,424,005.10, 11,757,636,007.65 and 7,239,808,862.70 is: 10,859,713,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838,424,005.10 : 11,757,636,007.65 = 7,239,808,862.70 : x
  2. Step 2: Convert to fraction form
    7,838,424,005.10/11,757,636,007.65 = 7,239,808,862.70/x
  3. Step 3: Cross multiply
    7,838,424,005.10x = 11,757,636,007.65 × 7,239,808,862.70
  4. Step 4: Simplify right side
    7,838,424,005.10x = 85,123,037,372,585,115,648
  5. Step 5: Solve for x
    x = 85,123,037,372,585,115,648/7,838,424,005.10
  6. Step 6: Final answer
    x = 10,859,713,294.05

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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.