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Finding the Fourth Proportional to 249,561,386.60, 374,342,079.90 and 249,561,386.60

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Solution

The fourth proportional to 249,561,386.60, 374,342,079.90 and 249,561,386.60 is: 374,342,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,561,386.60 : 374,342,079.90 = 249,561,386.60 : x
  2. Step 2: Convert to fraction form
    249,561,386.60/374,342,079.90 = 249,561,386.60/x
  3. Step 3: Cross multiply
    249,561,386.60x = 374,342,079.90 × 249,561,386.60
  4. Step 4: Simplify right side
    249,561,386.60x = 93,421,328,522,571,984
  5. Step 5: Solve for x
    x = 93,421,328,522,571,984/249,561,386.60
  6. Step 6: Final answer
    x = 374,342,079.90

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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.