Home / 1,345,578,000.10-2,018,367,000.15-425,736,297.70

Finding the Fourth Proportional to 1,345,578,000.10, 2,018,367,000.15 and 425,736,297.70

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Solution

The fourth proportional to 1,345,578,000.10, 2,018,367,000.15 and 425,736,297.70 is: 638,604,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,578,000.10 : 2,018,367,000.15 = 425,736,297.70 : x
  2. Step 2: Convert to fraction form
    1,345,578,000.10/2,018,367,000.15 = 425,736,297.70/x
  3. Step 3: Cross multiply
    1,345,578,000.10x = 2,018,367,000.15 × 425,736,297.70
  4. Step 4: Simplify right side
    1,345,578,000.10x = 859,292,094,043,716,352
  5. Step 5: Solve for x
    x = 859,292,094,043,716,352/1,345,578,000.10
  6. Step 6: Final answer
    x = 638,604,446.55

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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.