Home / 473,359,326.71-710,038,992.89-128,312,952.32

Finding the Fourth Proportional to 473,359,326.71, 710,038,992.89 and 128,312,952.32

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Solution

The fourth proportional to 473,359,326.71, 710,038,992.89 and 128,312,952.32 is: 192,469,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,359,326.71 : 710,038,992.89 = 128,312,952.32 : x
  2. Step 2: Convert to fraction form
    473,359,326.71/710,038,992.89 = 128,312,952.32/x
  3. Step 3: Cross multiply
    473,359,326.71x = 710,038,992.89 × 128,312,952.32
  4. Step 4: Simplify right side
    473,359,326.71x = 91,107,199,442,131,280
  5. Step 5: Solve for x
    x = 91,107,199,442,131,280/473,359,326.71
  6. Step 6: Final answer
    x = 192,469,429.25

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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.