Home / 1,038,999,975.42-1,433,962,614.12-637,042,619.13

Finding the Fourth Proportional to 1,038,999,975.42, 1,433,962,614.12 and 637,042,619.13

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Solution

The fourth proportional to 1,038,999,975.42, 1,433,962,614.12 and 637,042,619.13 is: 879,206,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,999,975.42 : 1,433,962,614.12 = 637,042,619.13 : x
  2. Step 2: Convert to fraction form
    1,038,999,975.42/1,433,962,614.12 = 637,042,619.13/x
  3. Step 3: Cross multiply
    1,038,999,975.42x = 1,433,962,614.12 × 637,042,619.13
  4. Step 4: Simplify right side
    1,038,999,975.42x = 913,495,299,433,506,304
  5. Step 5: Solve for x
    x = 913,495,299,433,506,304/1,038,999,975.42
  6. Step 6: Final answer
    x = 879,206,276.27

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1.5x scale

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.