Home / 315,688,444.30-473,291,274.73-191,163,971.45

Finding the Fourth Proportional to 315,688,444.30, 473,291,274.73 and 191,163,971.45

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Solution

The fourth proportional to 315,688,444.30, 473,291,274.73 and 191,163,971.45 is: 286,599,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,688,444.30 : 473,291,274.73 = 191,163,971.45 : x
  2. Step 2: Convert to fraction form
    315,688,444.30/473,291,274.73 = 191,163,971.45/x
  3. Step 3: Cross multiply
    315,688,444.30x = 473,291,274.73 × 191,163,971.45
  4. Step 4: Simplify right side
    315,688,444.30x = 90,476,239,730,725,136
  5. Step 5: Solve for x
    x = 90,476,239,730,725,136/315,688,444.30
  6. Step 6: Final answer
    x = 286,599,783.31

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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.