Home / 678,144,295.40-1,017,216,443.10-167,541,031.40

Finding the Fourth Proportional to 678,144,295.40, 1,017,216,443.10 and 167,541,031.40

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Solution

The fourth proportional to 678,144,295.40, 1,017,216,443.10 and 167,541,031.40 is: 251,311,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,144,295.40 : 1,017,216,443.10 = 167,541,031.40 : x
  2. Step 2: Convert to fraction form
    678,144,295.40/1,017,216,443.10 = 167,541,031.40/x
  3. Step 3: Cross multiply
    678,144,295.40x = 1,017,216,443.10 × 167,541,031.40
  4. Step 4: Simplify right side
    678,144,295.40x = 170,425,492,034,013,408
  5. Step 5: Solve for x
    x = 170,425,492,034,013,408/678,144,295.40
  6. Step 6: Final answer
    x = 251,311,547.10

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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.