Home / 40,931,025,309.60-61,396,537,964.40-9,911,877,021.60

Finding the Fourth Proportional to 40,931,025,309.60, 61,396,537,964.40 and 9,911,877,021.60

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Solution

The fourth proportional to 40,931,025,309.60, 61,396,537,964.40 and 9,911,877,021.60 is: 14,867,815,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931,025,309.60 : 61,396,537,964.40 = 9,911,877,021.60 : x
  2. Step 2: Convert to fraction form
    40,931,025,309.60/61,396,537,964.40 = 9,911,877,021.60/x
  3. Step 3: Cross multiply
    40,931,025,309.60x = 61,396,537,964.40 × 9,911,877,021.60
  4. Step 4: Simplify right side
    40,931,025,309.60x = 608,554,933,855,128,387,584
  5. Step 5: Solve for x
    x = 608,554,933,855,128,387,584/40,931,025,309.60
  6. Step 6: Final answer
    x = 14,867,815,532.40

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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.