Home / 906,605,430.10-1,359,908,145.15-293,251,657.30

Finding the Fourth Proportional to 906,605,430.10, 1,359,908,145.15 and 293,251,657.30

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Solution

The fourth proportional to 906,605,430.10, 1,359,908,145.15 and 293,251,657.30 is: 439,877,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,605,430.10 : 1,359,908,145.15 = 293,251,657.30 : x
  2. Step 2: Convert to fraction form
    906,605,430.10/1,359,908,145.15 = 293,251,657.30/x
  3. Step 3: Cross multiply
    906,605,430.10x = 1,359,908,145.15 × 293,251,657.30
  4. Step 4: Simplify right side
    906,605,430.10x = 398,795,317,341,006,528
  5. Step 5: Solve for x
    x = 398,795,317,341,006,528/906,605,430.10
  6. Step 6: Final answer
    x = 439,877,485.95

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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.