Home / 760,348,137.12-1,049,754,332.88-522,602,691.36

Finding the Fourth Proportional to 760,348,137.12, 1,049,754,332.88 and 522,602,691.36

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Solution

The fourth proportional to 760,348,137.12, 1,049,754,332.88 and 522,602,691.36 is: 721,517,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,348,137.12 : 1,049,754,332.88 = 522,602,691.36 : x
  2. Step 2: Convert to fraction form
    760,348,137.12/1,049,754,332.88 = 522,602,691.36/x
  3. Step 3: Cross multiply
    760,348,137.12x = 1,049,754,332.88 × 522,602,691.36
  4. Step 4: Simplify right side
    760,348,137.12x = 548,604,439,629,909,376
  5. Step 5: Solve for x
    x = 548,604,439,629,909,376/760,348,137.12
  6. Step 6: Final answer
    x = 721,517,437.67

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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.