Home / 1,798,359,864.50-2,697,724,841.80-678,826,500.14

Finding the Fourth Proportional to 1,798,359,864.50, 2,697,724,841.80 and 678,826,500.14

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Solution

The fourth proportional to 1,798,359,864.50, 2,697,724,841.80 and 678,826,500.14 is: 1,018,309,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,359,864.50 : 2,697,724,841.80 = 678,826,500.14 : x
  2. Step 2: Convert to fraction form
    1,798,359,864.50/2,697,724,841.80 = 678,826,500.14/x
  3. Step 3: Cross multiply
    1,798,359,864.50x = 2,697,724,841.80 × 678,826,500.14
  4. Step 4: Simplify right side
    1,798,359,864.50x = 1,831,287,112,699,829,248
  5. Step 5: Solve for x
    x = 1,831,287,112,699,829,248/1,798,359,864.50
  6. Step 6: Final answer
    x = 1,018,309,599.12

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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.