Home / 1,304,961,029.91-1,800,846,121.10-710,249,778.63

Finding the Fourth Proportional to 1,304,961,029.91, 1,800,846,121.10 and 710,249,778.63

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Solution

The fourth proportional to 1,304,961,029.91, 1,800,846,121.10 and 710,249,778.63 is: 980,144,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,961,029.91 : 1,800,846,121.10 = 710,249,778.63 : x
  2. Step 2: Convert to fraction form
    1,304,961,029.91/1,800,846,121.10 = 710,249,778.63/x
  3. Step 3: Cross multiply
    1,304,961,029.91x = 1,800,846,121.10 × 710,249,778.63
  4. Step 4: Simplify right side
    1,304,961,029.91x = 1,279,050,558,854,417,920
  5. Step 5: Solve for x
    x = 1,279,050,558,854,417,920/1,304,961,029.91
  6. Step 6: Final answer
    x = 980,144,639.98

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Double scale
Find fourth proportional to 1,304,961,030.91, 1,800,846,122.48 and 710,249,779.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.