Home / 1,320,103,852,890.30-1,980,155,779,335.50-1,320,103,852,890.30

Finding the Fourth Proportional to 1,320,103,852,890.30, 1,980,155,779,335.50 and 1,320,103,852,890.30

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Solution

The fourth proportional to 1,320,103,852,890.30, 1,980,155,779,335.50 and 1,320,103,852,890.30 is: 1,980,155,779,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,103,852,890.30 : 1,980,155,779,335.50 = 1,320,103,852,890.30 : x
  2. Step 2: Convert to fraction form
    1,320,103,852,890.30/1,980,155,779,335.50 = 1,320,103,852,890.30/x
  3. Step 3: Cross multiply
    1,320,103,852,890.30x = 1,980,155,779,335.50 × 1,320,103,852,890.30
  4. Step 4: Simplify right side
    1,320,103,852,890.30x = 2,614,011,273,623,788,186,501,120
  5. Step 5: Solve for x
    x = 2,614,011,273,623,788,186,501,120/1,320,103,852,890.30
  6. Step 6: Final answer
    x = 1,980,155,779,335.50

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Double scale
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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.