Home / 916,264,143-1,264,433,888.52-498,569,231.70

Finding the Fourth Proportional to 916,264,143, 1,264,433,888.52 and 498,569,231.70

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Solution

The fourth proportional to 916,264,143, 1,264,433,888.52 and 498,569,231.70 is: 688,019,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,264,143 : 1,264,433,888.52 = 498,569,231.70 : x
  2. Step 2: Convert to fraction form
    916,264,143/1,264,433,888.52 = 498,569,231.70/x
  3. Step 3: Cross multiply
    916,264,143x = 1,264,433,888.52 × 498,569,231.70
  4. Step 4: Simplify right side
    916,264,143x = 630,407,832,334,859,776
  5. Step 5: Solve for x
    x = 630,407,832,334,859,776/916,264,143
  6. Step 6: Final answer
    x = 688,019,756.26

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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.