Home / 1,408,718,437.20-2,113,376,254.20-426,064,280.40

Finding the Fourth Proportional to 1,408,718,437.20, 2,113,376,254.20 and 426,064,280.40

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Solution

The fourth proportional to 1,408,718,437.20, 2,113,376,254.20 and 426,064,280.40 is: 639,186,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,718,437.20 : 2,113,376,254.20 = 426,064,280.40 : x
  2. Step 2: Convert to fraction form
    1,408,718,437.20/2,113,376,254.20 = 426,064,280.40/x
  3. Step 3: Cross multiply
    1,408,718,437.20x = 2,113,376,254.20 × 426,064,280.40
  4. Step 4: Simplify right side
    1,408,718,437.20x = 900,434,132,960,170,496
  5. Step 5: Solve for x
    x = 900,434,132,960,170,496/1,408,718,437.20
  6. Step 6: Final answer
    x = 639,186,731.13

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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.