Home / 912,274,018,031.80-1,258,939,391,567.60-495,127,869,641.80

Finding the Fourth Proportional to 912,274,018,031.80, 1,258,939,391,567.60 and 495,127,869,641.80

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Solution

The fourth proportional to 912,274,018,031.80, 1,258,939,391,567.60 and 495,127,869,641.80 is: 683,277,136,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,274,018,031.80 : 1,258,939,391,567.60 = 495,127,869,641.80 : x
  2. Step 2: Convert to fraction form
    912,274,018,031.80/1,258,939,391,567.60 = 495,127,869,641.80/x
  3. Step 3: Cross multiply
    912,274,018,031.80x = 1,258,939,391,567.60 × 495,127,869,641.80
  4. Step 4: Simplify right side
    912,274,018,031.80x = 623,335,978,955,009,708,523,520
  5. Step 5: Solve for x
    x = 623,335,978,955,009,708,523,520/912,274,018,031.80
  6. Step 6: Final answer
    x = 683,277,136,731.17

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Double scale
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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.