Home / 997,274,139.40-1,495,911,209.10-307,091,712.70

Finding the Fourth Proportional to 997,274,139.40, 1,495,911,209.10 and 307,091,712.70

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Solution

The fourth proportional to 997,274,139.40, 1,495,911,209.10 and 307,091,712.70 is: 460,637,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,274,139.40 : 1,495,911,209.10 = 307,091,712.70 : x
  2. Step 2: Convert to fraction form
    997,274,139.40/1,495,911,209.10 = 307,091,712.70/x
  3. Step 3: Cross multiply
    997,274,139.40x = 1,495,911,209.10 × 307,091,712.70
  4. Step 4: Simplify right side
    997,274,139.40x = 459,381,935,249,646,784
  5. Step 5: Solve for x
    x = 459,381,935,249,646,784/997,274,139.40
  6. Step 6: Final answer
    x = 460,637,569.05

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Double scale
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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.