Home / 434,208,053.80-651,312,080.70-311,764,047.40

Finding the Fourth Proportional to 434,208,053.80, 651,312,080.70 and 311,764,047.40

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Solution

The fourth proportional to 434,208,053.80, 651,312,080.70 and 311,764,047.40 is: 467,646,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,208,053.80 : 651,312,080.70 = 311,764,047.40 : x
  2. Step 2: Convert to fraction form
    434,208,053.80/651,312,080.70 = 311,764,047.40/x
  3. Step 3: Cross multiply
    434,208,053.80x = 651,312,080.70 × 311,764,047.40
  4. Step 4: Simplify right side
    434,208,053.80x = 203,055,690,399,547,424
  5. Step 5: Solve for x
    x = 203,055,690,399,547,424/434,208,053.80
  6. Step 6: Final answer
    x = 467,646,071.10

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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.