Home / 390,681,643,289.60-586,022,464,934.40-96,574,163,225.60

Finding the Fourth Proportional to 390,681,643,289.60, 586,022,464,934.40 and 96,574,163,225.60

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Solution

The fourth proportional to 390,681,643,289.60, 586,022,464,934.40 and 96,574,163,225.60 is: 144,861,244,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,681,643,289.60 : 586,022,464,934.40 = 96,574,163,225.60 : x
  2. Step 2: Convert to fraction form
    390,681,643,289.60/586,022,464,934.40 = 96,574,163,225.60/x
  3. Step 3: Cross multiply
    390,681,643,289.60x = 586,022,464,934.40 × 96,574,163,225.60
  4. Step 4: Simplify right side
    390,681,643,289.60x = 56,594,629,182,443,202,019,328
  5. Step 5: Solve for x
    x = 56,594,629,182,443,202,019,328/390,681,643,289.60
  6. Step 6: Final answer
    x = 144,861,244,838.40

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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.