Home / 450,217,499.85-621,319,567.68-249,274,373.13

Finding the Fourth Proportional to 450,217,499.85, 621,319,567.68 and 249,274,373.13

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Solution

The fourth proportional to 450,217,499.85, 621,319,567.68 and 249,274,373.13 is: 344,009,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,217,499.85 : 621,319,567.68 = 249,274,373.13 : x
  2. Step 2: Convert to fraction form
    450,217,499.85/621,319,567.68 = 249,274,373.13/x
  3. Step 3: Cross multiply
    450,217,499.85x = 621,319,567.68 × 249,274,373.13
  4. Step 4: Simplify right side
    450,217,499.85x = 154,879,045,746,834,592
  5. Step 5: Solve for x
    x = 154,879,045,746,834,592/450,217,499.85
  6. Step 6: Final answer
    x = 344,009,386.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.