Home / 30,116,713,950.81-45,173,436,094.53-9,153,512,359.92

Finding the Fourth Proportional to 30,116,713,950.81, 45,173,436,094.53 and 9,153,512,359.92

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Solution

The fourth proportional to 30,116,713,950.81, 45,173,436,094.53 and 9,153,512,359.92 is: 13,729,771,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116,713,950.81 : 45,173,436,094.53 = 9,153,512,359.92 : x
  2. Step 2: Convert to fraction form
    30,116,713,950.81/45,173,436,094.53 = 9,153,512,359.92/x
  3. Step 3: Cross multiply
    30,116,713,950.81x = 45,173,436,094.53 × 9,153,512,359.92
  4. Step 4: Simplify right side
    30,116,713,950.81x = 413,495,605,631,336,579,072
  5. Step 5: Solve for x
    x = 413,495,605,631,336,579,072/30,116,713,950.81
  6. Step 6: Final answer
    x = 13,729,771,657.91

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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.