Home / 343,754,312.40-514,875,641.40-298,404,680.40

Finding the Fourth Proportional to 343,754,312.40, 514,875,641.40 and 298,404,680.40

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Solution

The fourth proportional to 343,754,312.40, 514,875,641.40 and 298,404,680.40 is: 446,950,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,754,312.40 : 514,875,641.40 = 298,404,680.40 : x
  2. Step 2: Convert to fraction form
    343,754,312.40/514,875,641.40 = 298,404,680.40/x
  3. Step 3: Cross multiply
    343,754,312.40x = 514,875,641.40 × 298,404,680.40
  4. Step 4: Simplify right side
    343,754,312.40x = 153,641,301,217,712,000
  5. Step 5: Solve for x
    x = 153,641,301,217,712,000/343,754,312.40
  6. Step 6: Final answer
    x = 446,950,905.56

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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.