Home / 912,274,017,799.60-1,258,939,391,248.60-495,127,869,411.20

Finding the Fourth Proportional to 912,274,017,799.60, 1,258,939,391,248.60 and 495,127,869,411.20

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Solution

The fourth proportional to 912,274,017,799.60, 1,258,939,391,248.60 and 495,127,869,411.20 is: 683,277,136,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,274,017,799.60 : 1,258,939,391,248.60 = 495,127,869,411.20 : x
  2. Step 2: Convert to fraction form
    912,274,017,799.60/1,258,939,391,248.60 = 495,127,869,411.20/x
  3. Step 3: Cross multiply
    912,274,017,799.60x = 1,258,939,391,248.60 × 495,127,869,411.20
  4. Step 4: Simplify right side
    912,274,017,799.60x = 623,335,978,506,752,561,774,592
  5. Step 5: Solve for x
    x = 623,335,978,506,752,561,774,592/912,274,017,799.60
  6. Step 6: Final answer
    x = 683,277,136,413.72

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Double scale
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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.