Home / 302,517,967.80-453,776,951.70-289,249,001.40

Finding the Fourth Proportional to 302,517,967.80, 453,776,951.70 and 289,249,001.40

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Solution

The fourth proportional to 302,517,967.80, 453,776,951.70 and 289,249,001.40 is: 433,873,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,517,967.80 : 453,776,951.70 = 289,249,001.40 : x
  2. Step 2: Convert to fraction form
    302,517,967.80/453,776,951.70 = 289,249,001.40/x
  3. Step 3: Cross multiply
    302,517,967.80x = 453,776,951.70 × 289,249,001.40
  4. Step 4: Simplify right side
    302,517,967.80x = 131,254,530,137,561,024
  5. Step 5: Solve for x
    x = 131,254,530,137,561,024/302,517,967.80
  6. Step 6: Final answer
    x = 433,873,502.10

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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.