Home / 1,413,799,390,779.40-2,120,699,114,227.10-339,355,311,706.10

Finding the Fourth Proportional to 1,413,799,390,779.40, 2,120,699,114,227.10 and 339,355,311,706.10

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Solution

The fourth proportional to 1,413,799,390,779.40, 2,120,699,114,227.10 and 339,355,311,706.10 is: 509,032,974,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,799,390,779.40 : 2,120,699,114,227.10 = 339,355,311,706.10 : x
  2. Step 2: Convert to fraction form
    1,413,799,390,779.40/2,120,699,114,227.10 = 339,355,311,706.10/x
  3. Step 3: Cross multiply
    1,413,799,390,779.40x = 2,120,699,114,227.10 × 339,355,311,706.10
  4. Step 4: Simplify right side
    1,413,799,390,779.40x = 719,670,508,943,387,737,980,928
  5. Step 5: Solve for x
    x = 719,670,508,943,387,737,980,928/1,413,799,390,779.40
  6. Step 6: Final answer
    x = 509,032,974,293.93

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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.