Home / 959,095,810.10-1,438,643,715.15-649,159,418.90

Finding the Fourth Proportional to 959,095,810.10, 1,438,643,715.15 and 649,159,418.90

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Solution

The fourth proportional to 959,095,810.10, 1,438,643,715.15 and 649,159,418.90 is: 973,739,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,095,810.10 : 1,438,643,715.15 = 649,159,418.90 : x
  2. Step 2: Convert to fraction form
    959,095,810.10/1,438,643,715.15 = 649,159,418.90/x
  3. Step 3: Cross multiply
    959,095,810.10x = 1,438,643,715.15 × 649,159,418.90
  4. Step 4: Simplify right side
    959,095,810.10x = 933,909,118,130,911,104
  5. Step 5: Solve for x
    x = 933,909,118,130,911,104/959,095,810.10
  6. Step 6: Final answer
    x = 973,739,128.35

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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.