Home / 710,592,763.80-1,065,889,145.70-250,377,979.80

Finding the Fourth Proportional to 710,592,763.80, 1,065,889,145.70 and 250,377,979.80

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Solution

The fourth proportional to 710,592,763.80, 1,065,889,145.70 and 250,377,979.80 is: 375,566,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,592,763.80 : 1,065,889,145.70 = 250,377,979.80 : x
  2. Step 2: Convert to fraction form
    710,592,763.80/1,065,889,145.70 = 250,377,979.80/x
  3. Step 3: Cross multiply
    710,592,763.80x = 1,065,889,145.70 × 250,377,979.80
  4. Step 4: Simplify right side
    710,592,763.80x = 266,875,170,991,113,888
  5. Step 5: Solve for x
    x = 266,875,170,991,113,888/710,592,763.80
  6. Step 6: Final answer
    x = 375,566,969.70

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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.