Home / 12,915,077,942.55-17,822,807,415.93-6,974,630,444.55

Finding the Fourth Proportional to 12,915,077,942.55, 17,822,807,415.93 and 6,974,630,444.55

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Solution

The fourth proportional to 12,915,077,942.55, 17,822,807,415.93 and 6,974,630,444.55 is: 9,624,989,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,077,942.55 : 17,822,807,415.93 = 6,974,630,444.55 : x
  2. Step 2: Convert to fraction form
    12,915,077,942.55/17,822,807,415.93 = 6,974,630,444.55/x
  3. Step 3: Cross multiply
    12,915,077,942.55x = 17,822,807,415.93 × 6,974,630,444.55
  4. Step 4: Simplify right side
    12,915,077,942.55x = 124,307,495,210,496,901,120
  5. Step 5: Solve for x
    x = 124,307,495,210,496,901,120/12,915,077,942.55
  6. Step 6: Final answer
    x = 9,624,989,935.29

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1.5x scale

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.