Home / 1,506,331,134.36-2,078,683,946.70-828,143,147.64

Finding the Fourth Proportional to 1,506,331,134.36, 2,078,683,946.70 and 828,143,147.64

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Solution

The fourth proportional to 1,506,331,134.36, 2,078,683,946.70 and 828,143,147.64 is: 1,142,808,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,331,134.36 : 2,078,683,946.70 = 828,143,147.64 : x
  2. Step 2: Convert to fraction form
    1,506,331,134.36/2,078,683,946.70 = 828,143,147.64/x
  3. Step 3: Cross multiply
    1,506,331,134.36x = 2,078,683,946.70 × 828,143,147.64
  4. Step 4: Simplify right side
    1,506,331,134.36x = 1,721,447,866,568,876,032
  5. Step 5: Solve for x
    x = 1,721,447,866,568,876,032/1,506,331,134.36
  6. Step 6: Final answer
    x = 1,142,808,395.38

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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.