Home / 14,302,912,570.93-19,737,862,707.95-7,872,595,066.47

Finding the Fourth Proportional to 14,302,912,570.93, 19,737,862,707.95 and 7,872,595,066.47

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Solution

The fourth proportional to 14,302,912,570.93, 19,737,862,707.95 and 7,872,595,066.47 is: 10,864,094,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302,912,570.93 : 19,737,862,707.95 = 7,872,595,066.47 : x
  2. Step 2: Convert to fraction form
    14,302,912,570.93/19,737,862,707.95 = 7,872,595,066.47/x
  3. Step 3: Cross multiply
    14,302,912,570.93x = 19,737,862,707.95 × 7,872,595,066.47
  4. Step 4: Simplify right side
    14,302,912,570.93x = 155,388,200,577,269,366,784
  5. Step 5: Solve for x
    x = 155,388,200,577,269,366,784/14,302,912,570.93
  6. Step 6: Final answer
    x = 10,864,094,974.13

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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.