Home / 851,702,436.15-1,278,003,763.87-604,306,528.15

Finding the Fourth Proportional to 851,702,436.15, 1,278,003,763.87 and 604,306,528.15

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Solution

The fourth proportional to 851,702,436.15, 1,278,003,763.87 and 604,306,528.15 is: 906,779,157.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,702,436.15 : 1,278,003,763.87 = 604,306,528.15 : x
  2. Step 2: Convert to fraction form
    851,702,436.15/1,278,003,763.87 = 604,306,528.15/x
  3. Step 3: Cross multiply
    851,702,436.15x = 1,278,003,763.87 × 604,306,528.15
  4. Step 4: Simplify right side
    851,702,436.15x = 772,306,017,502,697,088
  5. Step 5: Solve for x
    x = 772,306,017,502,697,088/851,702,436.15
  6. Step 6: Final answer
    x = 906,779,157.51

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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.