Home / 1,655,423,904.60-2,482,240,061.70-686,173,498.20

Finding the Fourth Proportional to 1,655,423,904.60, 2,482,240,061.70 and 686,173,498.20

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Solution

The fourth proportional to 1,655,423,904.60, 2,482,240,061.70 and 686,173,498.20 is: 1,028,888,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,423,904.60 : 2,482,240,061.70 = 686,173,498.20 : x
  2. Step 2: Convert to fraction form
    1,655,423,904.60/2,482,240,061.70 = 686,173,498.20/x
  3. Step 3: Cross multiply
    1,655,423,904.60x = 2,482,240,061.70 × 686,173,498.20
  4. Step 4: Simplify right side
    1,655,423,904.60x = 1,703,247,346,508,872,704
  5. Step 5: Solve for x
    x = 1,703,247,346,508,872,704/1,655,423,904.60
  6. Step 6: Final answer
    x = 1,028,888,940.03

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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.