Home / 315,688,444.80-473,291,275.48-191,163,971.96

Finding the Fourth Proportional to 315,688,444.80, 473,291,275.48 and 191,163,971.96

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Solution

The fourth proportional to 315,688,444.80, 473,291,275.48 and 191,163,971.96 is: 286,599,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,688,444.80 : 473,291,275.48 = 191,163,971.96 : x
  2. Step 2: Convert to fraction form
    315,688,444.80/473,291,275.48 = 191,163,971.96/x
  3. Step 3: Cross multiply
    315,688,444.80x = 473,291,275.48 × 191,163,971.96
  4. Step 4: Simplify right side
    315,688,444.80x = 90,476,240,111,449,088
  5. Step 5: Solve for x
    x = 90,476,240,111,449,088/315,688,444.80
  6. Step 6: Final answer
    x = 286,599,784.06

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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.