Home / 358,453,412.10-537,680,118.15-220,703,904.90

Finding the Fourth Proportional to 358,453,412.10, 537,680,118.15 and 220,703,904.90

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Solution

The fourth proportional to 358,453,412.10, 537,680,118.15 and 220,703,904.90 is: 331,055,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,453,412.10 : 537,680,118.15 = 220,703,904.90 : x
  2. Step 2: Convert to fraction form
    358,453,412.10/537,680,118.15 = 220,703,904.90/x
  3. Step 3: Cross multiply
    358,453,412.10x = 537,680,118.15 × 220,703,904.90
  4. Step 4: Simplify right side
    358,453,412.10x = 118,668,101,662,798,368
  5. Step 5: Solve for x
    x = 118,668,101,662,798,368/358,453,412.10
  6. Step 6: Final answer
    x = 331,055,857.35

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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.