Home / 1,681,616,055.36-2,320,585,177.32-928,913,031.36

Finding the Fourth Proportional to 1,681,616,055.36, 2,320,585,177.32 and 928,913,031.36

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Solution

The fourth proportional to 1,681,616,055.36, 2,320,585,177.32 and 928,913,031.36 is: 1,281,875,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,616,055.36 : 2,320,585,177.32 = 928,913,031.36 : x
  2. Step 2: Convert to fraction form
    1,681,616,055.36/2,320,585,177.32 = 928,913,031.36/x
  3. Step 3: Cross multiply
    1,681,616,055.36x = 2,320,585,177.32 × 928,913,031.36
  4. Step 4: Simplify right side
    1,681,616,055.36x = 2,155,621,811,593,404,416
  5. Step 5: Solve for x
    x = 2,155,621,811,593,404,416/1,681,616,055.36
  6. Step 6: Final answer
    x = 1,281,875,137.15

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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.