Home / 955,593,287.55-1,431,929,747.01-643,547,075.58

Finding the Fourth Proportional to 955,593,287.55, 1,431,929,747.01 and 643,547,075.58

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Solution

The fourth proportional to 955,593,287.55, 1,431,929,747.01 and 643,547,075.58 is: 964,337,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,593,287.55 : 1,431,929,747.01 = 643,547,075.58 : x
  2. Step 2: Convert to fraction form
    955,593,287.55/1,431,929,747.01 = 643,547,075.58/x
  3. Step 3: Cross multiply
    955,593,287.55x = 1,431,929,747.01 × 643,547,075.58
  4. Step 4: Simplify right side
    955,593,287.55x = 921,514,201,124,294,784
  5. Step 5: Solve for x
    x = 921,514,201,124,294,784/955,593,287.55
  6. Step 6: Final answer
    x = 964,337,248.00

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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.