Home / 423,290,460.15-634,688,570.16-164,202,934.32

Finding the Fourth Proportional to 423,290,460.15, 634,688,570.16 and 164,202,934.32

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Solution

The fourth proportional to 423,290,460.15, 634,688,570.16 and 164,202,934.32 is: 246,208,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,290,460.15 : 634,688,570.16 = 164,202,934.32 : x
  2. Step 2: Convert to fraction form
    423,290,460.15/634,688,570.16 = 164,202,934.32/x
  3. Step 3: Cross multiply
    423,290,460.15x = 634,688,570.16 × 164,202,934.32
  4. Step 4: Simplify right side
    423,290,460.15x = 104,217,725,599,637,184
  5. Step 5: Solve for x
    x = 104,217,725,599,637,184/423,290,460.15
  6. Step 6: Final answer
    x = 246,208,538.61

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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.