Home / 776,736,030.80-1,165,104,046.20-316,423,269.20

Finding the Fourth Proportional to 776,736,030.80, 1,165,104,046.20 and 316,423,269.20

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Solution

The fourth proportional to 776,736,030.80, 1,165,104,046.20 and 316,423,269.20 is: 474,634,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,736,030.80 : 1,165,104,046.20 = 316,423,269.20 : x
  2. Step 2: Convert to fraction form
    776,736,030.80/1,165,104,046.20 = 316,423,269.20/x
  3. Step 3: Cross multiply
    776,736,030.80x = 1,165,104,046.20 × 316,423,269.20
  4. Step 4: Simplify right side
    776,736,030.80x = 368,666,031,256,751,808
  5. Step 5: Solve for x
    x = 368,666,031,256,751,808/776,736,030.80
  6. Step 6: Final answer
    x = 474,634,903.80

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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.