Home / 375,903,355,686.15-518,746,686,807.63-204,626,587,427.78

Finding the Fourth Proportional to 375,903,355,686.15, 518,746,686,807.63 and 204,626,587,427.78

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Solution

The fourth proportional to 375,903,355,686.15, 518,746,686,807.63 and 204,626,587,427.78 is: 282,384,721,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,903,355,686.15 : 518,746,686,807.63 = 204,626,587,427.78 : x
  2. Step 2: Convert to fraction form
    375,903,355,686.15/518,746,686,807.63 = 204,626,587,427.78/x
  3. Step 3: Cross multiply
    375,903,355,686.15x = 518,746,686,807.63 × 204,626,587,427.78
  4. Step 4: Simplify right side
    375,903,355,686.15x = 106,149,364,260,912,708,452,352
  5. Step 5: Solve for x
    x = 106,149,364,260,912,708,452,352/375,903,355,686.15
  6. Step 6: Final answer
    x = 282,384,721,113.10

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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.