Home / 1,262,205,810.40-1,892,412,920.40-572,443,506.40

Finding the Fourth Proportional to 1,262,205,810.40, 1,892,412,920.40 and 572,443,506.40

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Solution

The fourth proportional to 1,262,205,810.40, 1,892,412,920.40 and 572,443,506.40 is: 858,258,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,205,810.40 : 1,892,412,920.40 = 572,443,506.40 : x
  2. Step 2: Convert to fraction form
    1,262,205,810.40/1,892,412,920.40 = 572,443,506.40/x
  3. Step 3: Cross multiply
    1,262,205,810.40x = 1,892,412,920.40 × 572,443,506.40
  4. Step 4: Simplify right side
    1,262,205,810.40x = 1,083,299,487,710,440,064
  5. Step 5: Solve for x
    x = 1,083,299,487,710,440,064/1,262,205,810.40
  6. Step 6: Final answer
    x = 858,258,992.93

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1.5x scale

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.