Home / 959,095,767.60-1,438,643,651.40-649,159,376.40

Finding the Fourth Proportional to 959,095,767.60, 1,438,643,651.40 and 649,159,376.40

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Solution

The fourth proportional to 959,095,767.60, 1,438,643,651.40 and 649,159,376.40 is: 973,739,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,095,767.60 : 1,438,643,651.40 = 649,159,376.40 : x
  2. Step 2: Convert to fraction form
    959,095,767.60/1,438,643,651.40 = 649,159,376.40/x
  3. Step 3: Cross multiply
    959,095,767.60x = 1,438,643,651.40 × 649,159,376.40
  4. Step 4: Simplify right side
    959,095,767.60x = 933,909,015,604,643,072
  5. Step 5: Solve for x
    x = 933,909,015,604,643,072/959,095,767.60
  6. Step 6: Final answer
    x = 973,739,064.60

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1.5x scale

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.