Home / 553,538,543.63-763,899,133.46-306,035,841.11

Finding the Fourth Proportional to 553,538,543.63, 763,899,133.46 and 306,035,841.11

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Solution

The fourth proportional to 553,538,543.63, 763,899,133.46 and 306,035,841.11 is: 422,338,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,538,543.63 : 763,899,133.46 = 306,035,841.11 : x
  2. Step 2: Convert to fraction form
    553,538,543.63/763,899,133.46 = 306,035,841.11/x
  3. Step 3: Cross multiply
    553,538,543.63x = 763,899,133.46 × 306,035,841.11
  4. Step 4: Simplify right side
    553,538,543.63x = 233,780,513,826,281,600
  5. Step 5: Solve for x
    x = 233,780,513,826,281,600/553,538,543.63
  6. Step 6: Final answer
    x = 422,338,275.30

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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.