Home / 940,564,486.61-1,296,774,079.29-770,391,818.18

Finding the Fourth Proportional to 940,564,486.61, 1,296,774,079.29 and 770,391,818.18

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Solution

The fourth proportional to 940,564,486.61, 1,296,774,079.29 and 770,391,818.18 is: 1,062,153,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,564,486.61 : 1,296,774,079.29 = 770,391,818.18 : x
  2. Step 2: Convert to fraction form
    940,564,486.61/1,296,774,079.29 = 770,391,818.18/x
  3. Step 3: Cross multiply
    940,564,486.61x = 1,296,774,079.29 × 770,391,818.18
  4. Step 4: Simplify right side
    940,564,486.61x = 999,024,140,711,310,592
  5. Step 5: Solve for x
    x = 999,024,140,711,310,592/940,564,486.61
  6. Step 6: Final answer
    x = 1,062,153,796.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.