Home / 302,515,031.80-453,772,547.70-199,202,901.40

Finding the Fourth Proportional to 302,515,031.80, 453,772,547.70 and 199,202,901.40

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Solution

The fourth proportional to 302,515,031.80, 453,772,547.70 and 199,202,901.40 is: 298,804,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,031.80 : 453,772,547.70 = 199,202,901.40 : x
  2. Step 2: Convert to fraction form
    302,515,031.80/453,772,547.70 = 199,202,901.40/x
  3. Step 3: Cross multiply
    302,515,031.80x = 453,772,547.70 × 199,202,901.40
  4. Step 4: Simplify right side
    302,515,031.80x = 90,392,808,077,509,904
  5. Step 5: Solve for x
    x = 90,392,808,077,509,904/302,515,031.80
  6. Step 6: Final answer
    x = 298,804,352.10

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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.