Home / 885,857,710.40-1,328,388,434.40-340,417,966.40

Finding the Fourth Proportional to 885,857,710.40, 1,328,388,434.40 and 340,417,966.40

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Solution

The fourth proportional to 885,857,710.40, 1,328,388,434.40 and 340,417,966.40 is: 510,473,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,857,710.40 : 1,328,388,434.40 = 340,417,966.40 : x
  2. Step 2: Convert to fraction form
    885,857,710.40/1,328,388,434.40 = 340,417,966.40/x
  3. Step 3: Cross multiply
    885,857,710.40x = 1,328,388,434.40 × 340,417,966.40
  4. Step 4: Simplify right side
    885,857,710.40x = 452,207,289,427,727,808
  5. Step 5: Solve for x
    x = 452,207,289,427,727,808/885,857,710.40
  6. Step 6: Final answer
    x = 510,473,955.49

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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.