Home / 1,918,090,031.40-2,875,875,335.10-752,856,431.40

Finding the Fourth Proportional to 1,918,090,031.40, 2,875,875,335.10 and 752,856,431.40

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Solution

The fourth proportional to 1,918,090,031.40, 2,875,875,335.10 and 752,856,431.40 is: 1,128,790,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,090,031.40 : 2,875,875,335.10 = 752,856,431.40 : x
  2. Step 2: Convert to fraction form
    1,918,090,031.40/2,875,875,335.10 = 752,856,431.40/x
  3. Step 3: Cross multiply
    1,918,090,031.40x = 2,875,875,335.10 × 752,856,431.40
  4. Step 4: Simplify right side
    1,918,090,031.40x = 2,165,121,241,934,664,960
  5. Step 5: Solve for x
    x = 2,165,121,241,934,664,960/1,918,090,031.40
  6. Step 6: Final answer
    x = 1,128,790,206.14

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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.