Home / 7,357,073,307.12-10,166,041,788.35-5,238,851,784.12

Finding the Fourth Proportional to 7,357,073,307.12, 10,166,041,788.35 and 5,238,851,784.12

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Solution

The fourth proportional to 7,357,073,307.12, 10,166,041,788.35 and 5,238,851,784.12 is: 7,239,072,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357,073,307.12 : 10,166,041,788.35 = 5,238,851,784.12 : x
  2. Step 2: Convert to fraction form
    7,357,073,307.12/10,166,041,788.35 = 5,238,851,784.12/x
  3. Step 3: Cross multiply
    7,357,073,307.12x = 10,166,041,788.35 × 5,238,851,784.12
  4. Step 4: Simplify right side
    7,357,073,307.12x = 53,258,386,160,309,673,984
  5. Step 5: Solve for x
    x = 53,258,386,160,309,673,984/7,357,073,307.12
  6. Step 6: Final answer
    x = 7,239,072,377.98

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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.