Home / 885,779,969.40-1,328,662,955.70-230,729,729.40

Finding the Fourth Proportional to 885,779,969.40, 1,328,662,955.70 and 230,729,729.40

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Solution

The fourth proportional to 885,779,969.40, 1,328,662,955.70 and 230,729,729.40 is: 346,092,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,779,969.40 : 1,328,662,955.70 = 230,729,729.40 : x
  2. Step 2: Convert to fraction form
    885,779,969.40/1,328,662,955.70 = 230,729,729.40/x
  3. Step 3: Cross multiply
    885,779,969.40x = 1,328,662,955.70 × 230,729,729.40
  4. Step 4: Simplify right side
    885,779,969.40x = 306,562,044,232,465,216
  5. Step 5: Solve for x
    x = 306,562,044,232,465,216/885,779,969.40
  6. Step 6: Final answer
    x = 346,092,771.14

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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.