Home / 971,328,899.66-1,340,417,141.79-547,943,476.46

Finding the Fourth Proportional to 971,328,899.66, 1,340,417,141.79 and 547,943,476.46

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Solution

The fourth proportional to 971,328,899.66, 1,340,417,141.79 and 547,943,476.46 is: 756,152,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,328,899.66 : 1,340,417,141.79 = 547,943,476.46 : x
  2. Step 2: Convert to fraction form
    971,328,899.66/1,340,417,141.79 = 547,943,476.46/x
  3. Step 3: Cross multiply
    971,328,899.66x = 1,340,417,141.79 × 547,943,476.46
  4. Step 4: Simplify right side
    971,328,899.66x = 734,472,828,578,989,440
  5. Step 5: Solve for x
    x = 734,472,828,578,989,440/971,328,899.66
  6. Step 6: Final answer
    x = 756,152,554.34

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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.