Home / 7,137,403,215.39-9,849,882,256.68-4,280,010,639.39

Finding the Fourth Proportional to 7,137,403,215.39, 9,849,882,256.68 and 4,280,010,639.39

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Solution

The fourth proportional to 7,137,403,215.39, 9,849,882,256.68 and 4,280,010,639.39 is: 5,906,574,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,403,215.39 : 9,849,882,256.68 = 4,280,010,639.39 : x
  2. Step 2: Convert to fraction form
    7,137,403,215.39/9,849,882,256.68 = 4,280,010,639.39/x
  3. Step 3: Cross multiply
    7,137,403,215.39x = 9,849,882,256.68 × 4,280,010,639.39
  4. Step 4: Simplify right side
    7,137,403,215.39x = 42,157,600,855,329,185,792
  5. Step 5: Solve for x
    x = 42,157,600,855,329,185,792/7,137,403,215.39
  6. Step 6: Final answer
    x = 5,906,574,083.47

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1.5x scale

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.