Home / 284,569,210,890.16-392,703,186,707.28-154,357,739,530.11

Finding the Fourth Proportional to 284,569,210,890.16, 392,703,186,707.28 and 154,357,739,530.11

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Solution

The fourth proportional to 284,569,210,890.16, 392,703,186,707.28 and 154,357,739,530.11 is: 213,012,419,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,569,210,890.16 : 392,703,186,707.28 = 154,357,739,530.11 : x
  2. Step 2: Convert to fraction form
    284,569,210,890.16/392,703,186,707.28 = 154,357,739,530.11/x
  3. Step 3: Cross multiply
    284,569,210,890.16x = 392,703,186,707.28 × 154,357,739,530.11
  4. Step 4: Simplify right side
    284,569,210,890.16x = 60,616,776,206,406,484,230,144
  5. Step 5: Solve for x
    x = 60,616,776,206,406,484,230,144/284,569,210,890.16
  6. Step 6: Final answer
    x = 213,012,419,779.33

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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.