Home / 860,391,262.40-1,290,586,893.60-709,225,822.40

Finding the Fourth Proportional to 860,391,262.40, 1,290,586,893.60 and 709,225,822.40

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Solution

The fourth proportional to 860,391,262.40, 1,290,586,893.60 and 709,225,822.40 is: 1,063,838,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,391,262.40 : 1,290,586,893.60 = 709,225,822.40 : x
  2. Step 2: Convert to fraction form
    860,391,262.40/1,290,586,893.60 = 709,225,822.40/x
  3. Step 3: Cross multiply
    860,391,262.40x = 1,290,586,893.60 × 709,225,822.40
  4. Step 4: Simplify right side
    860,391,262.40x = 915,317,550,992,121,216
  5. Step 5: Solve for x
    x = 915,317,550,992,121,216/860,391,262.40
  6. Step 6: Final answer
    x = 1,063,838,733.60

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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.