Home / 1,787,736,886.92-2,679,153,684.36-1,131,516,529.47

Finding the Fourth Proportional to 1,787,736,886.92, 2,679,153,684.36 and 1,131,516,529.47

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Solution

The fourth proportional to 1,787,736,886.92, 2,679,153,684.36 and 1,131,516,529.47 is: 1,695,723,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,736,886.92 : 2,679,153,684.36 = 1,131,516,529.47 : x
  2. Step 2: Convert to fraction form
    1,787,736,886.92/2,679,153,684.36 = 1,131,516,529.47/x
  3. Step 3: Cross multiply
    1,787,736,886.92x = 2,679,153,684.36 × 1,131,516,529.47
  4. Step 4: Simplify right side
    1,787,736,886.92x = 3,031,506,678,843,791,360
  5. Step 5: Solve for x
    x = 3,031,506,678,843,791,360/1,787,736,886.92
  6. Step 6: Final answer
    x = 1,695,723,068.10

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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.