Home / 49,360,454,384.89-74,017,341,463.63-19,121,756,139.40

Finding the Fourth Proportional to 49,360,454,384.89, 74,017,341,463.63 and 19,121,756,139.40

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Solution

The fourth proportional to 49,360,454,384.89, 74,017,341,463.63 and 19,121,756,139.40 is: 28,673,592,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,360,454,384.89 : 74,017,341,463.63 = 19,121,756,139.40 : x
  2. Step 2: Convert to fraction form
    49,360,454,384.89/74,017,341,463.63 = 19,121,756,139.40/x
  3. Step 3: Cross multiply
    49,360,454,384.89x = 74,017,341,463.63 × 19,121,756,139.40
  4. Step 4: Simplify right side
    49,360,454,384.89x = 1,415,341,553,554,233,229,312
  5. Step 5: Solve for x
    x = 1,415,341,553,554,233,229,312/49,360,454,384.89
  6. Step 6: Final answer
    x = 28,673,592,477.86

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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.