Home / 315,033,565,615.20-434,746,341,778.32-172,462,825,663.20

Finding the Fourth Proportional to 315,033,565,615.20, 434,746,341,778.32 and 172,462,825,663.20

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Solution

The fourth proportional to 315,033,565,615.20, 434,746,341,778.32 and 172,462,825,663.20 is: 237,998,711,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,033,565,615.20 : 434,746,341,778.32 = 172,462,825,663.20 : x
  2. Step 2: Convert to fraction form
    315,033,565,615.20/434,746,341,778.32 = 172,462,825,663.20/x
  3. Step 3: Cross multiply
    315,033,565,615.20x = 434,746,341,778.32 × 172,462,825,663.20
  4. Step 4: Simplify right side
    315,033,565,615.20x = 74,977,582,549,828,372,529,152
  5. Step 5: Solve for x
    x = 74,977,582,549,828,372,529,152/315,033,565,615.20
  6. Step 6: Final answer
    x = 237,998,711,037.07

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1.5x scale

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.