Home / 971,303,520.30-1,456,955,280.45-661,367,129.10

Finding the Fourth Proportional to 971,303,520.30, 1,456,955,280.45 and 661,367,129.10

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Solution

The fourth proportional to 971,303,520.30, 1,456,955,280.45 and 661,367,129.10 is: 992,050,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,303,520.30 : 1,456,955,280.45 = 661,367,129.10 : x
  2. Step 2: Convert to fraction form
    971,303,520.30/1,456,955,280.45 = 661,367,129.10/x
  3. Step 3: Cross multiply
    971,303,520.30x = 1,456,955,280.45 × 661,367,129.10
  4. Step 4: Simplify right side
    971,303,520.30x = 963,582,331,058,301,952
  5. Step 5: Solve for x
    x = 963,582,331,058,301,952/971,303,520.30
  6. Step 6: Final answer
    x = 992,050,693.65

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Double scale
Find fourth proportional to 971,303,521.30, 1,456,955,281.95 and 661,367,130.10
Similar ratio
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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.