Home / 649,041,705.28-973,554,054.12-157,753,547.80

Finding the Fourth Proportional to 649,041,705.28, 973,554,054.12 and 157,753,547.80

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Solution

The fourth proportional to 649,041,705.28, 973,554,054.12 and 157,753,547.80 is: 236,628,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,041,705.28 : 973,554,054.12 = 157,753,547.80 : x
  2. Step 2: Convert to fraction form
    649,041,705.28/973,554,054.12 = 157,753,547.80/x
  3. Step 3: Cross multiply
    649,041,705.28x = 973,554,054.12 × 157,753,547.80
  4. Step 4: Simplify right side
    649,041,705.28x = 153,581,606,012,503,232
  5. Step 5: Solve for x
    x = 153,581,606,012,503,232/649,041,705.28
  6. Step 6: Final answer
    x = 236,628,254.80

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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.