Home / 776,934,830.90-1,165,215,622.35-448,700,539.70

Finding the Fourth Proportional to 776,934,830.90, 1,165,215,622.35 and 448,700,539.70

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Solution

The fourth proportional to 776,934,830.90, 1,165,215,622.35 and 448,700,539.70 is: 672,943,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,934,830.90 : 1,165,215,622.35 = 448,700,539.70 : x
  2. Step 2: Convert to fraction form
    776,934,830.90/1,165,215,622.35 = 448,700,539.70/x
  3. Step 3: Cross multiply
    776,934,830.90x = 1,165,215,622.35 × 448,700,539.70
  4. Step 4: Simplify right side
    776,934,830.90x = 522,832,878,615,316,352
  5. Step 5: Solve for x
    x = 522,832,878,615,316,352/776,934,830.90
  6. Step 6: Final answer
    x = 672,943,029.22

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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.