Home / 10,258,329,801.60-15,387,494,702.40-9,686,924,438.40

Finding the Fourth Proportional to 10,258,329,801.60, 15,387,494,702.40 and 9,686,924,438.40

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Solution

The fourth proportional to 10,258,329,801.60, 15,387,494,702.40 and 9,686,924,438.40 is: 14,530,386,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,329,801.60 : 15,387,494,702.40 = 9,686,924,438.40 : x
  2. Step 2: Convert to fraction form
    10,258,329,801.60/15,387,494,702.40 = 9,686,924,438.40/x
  3. Step 3: Cross multiply
    10,258,329,801.60x = 15,387,494,702.40 × 9,686,924,438.40
  4. Step 4: Simplify right side
    10,258,329,801.60x = 149,057,498,478,429,077,504
  5. Step 5: Solve for x
    x = 149,057,498,478,429,077,504/10,258,329,801.60
  6. Step 6: Final answer
    x = 14,530,386,657.60

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1.5x scale

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.