Home / 910,127,233.98-1,255,966,641.27-492,430,354.38

Finding the Fourth Proportional to 910,127,233.98, 1,255,966,641.27 and 492,430,354.38

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Solution

The fourth proportional to 910,127,233.98, 1,255,966,641.27 and 492,430,354.38 is: 679,549,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,127,233.98 : 1,255,966,641.27 = 492,430,354.38 : x
  2. Step 2: Convert to fraction form
    910,127,233.98/1,255,966,641.27 = 492,430,354.38/x
  3. Step 3: Cross multiply
    910,127,233.98x = 1,255,966,641.27 × 492,430,354.38
  4. Step 4: Simplify right side
    910,127,233.98x = 618,476,098,250,044,416
  5. Step 5: Solve for x
    x = 618,476,098,250,044,416/910,127,233.98
  6. Step 6: Final answer
    x = 679,549,051.12

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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.