Home / 1,304,961,030.91-1,800,846,122.48-710,249,779.63

Finding the Fourth Proportional to 1,304,961,030.91, 1,800,846,122.48 and 710,249,779.63

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Solution

The fourth proportional to 1,304,961,030.91, 1,800,846,122.48 and 710,249,779.63 is: 980,144,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,961,030.91 : 1,800,846,122.48 = 710,249,779.63 : x
  2. Step 2: Convert to fraction form
    1,304,961,030.91/1,800,846,122.48 = 710,249,779.63/x
  3. Step 3: Cross multiply
    1,304,961,030.91x = 1,800,846,122.48 × 710,249,779.63
  4. Step 4: Simplify right side
    1,304,961,030.91x = 1,279,050,561,638,959,872
  5. Step 5: Solve for x
    x = 1,279,050,561,638,959,872/1,304,961,030.91
  6. Step 6: Final answer
    x = 980,144,641.37

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Half scale
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Double scale
Find fourth proportional to 1,304,961,031.91, 1,800,846,123.86 and 710,249,780.63
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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.